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| | | | | | | | | | | | | | | | | | | | Roger de Beaumont ca. 1015–1094 | | | | | | Der heilige Osmund , gestorben 1099, Bischof von Salisbury und möglicherweise Earl of Dorset |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Earl of Dorset (1. Verleihung), eingestellt 1099 |
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| | | | | | | | | | | | | | | | | | | | Graf von Leicester(1. Schöpfung), 1107 | | | | | |
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| | | | | | | | König Heinrich I. ca. 1068–1135 | | König Stephan 1092/1096–1154 | | | | | | Robert de Beaumont ca. 1040/1050 –11181. Earl of Leicester | | Henry de Beaumont, gest. 1119 , 1. Earl of Warwick |
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| | | | | | | | | | | | | | | | | | Graf von Worcester(1. Schöpfung), 1138 | | | | | | | | | | | | | | |
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| | | | | | | | Robert FitzRoy, ca. 1090–1147 , 1. Earl of Gloucester | | Matilda ( gest. vor 1141 ) | | Waleran de Beaumont 1104–1166Graf von Worcester | | Robert de Beaumont 1104–11682. Earl of Leicester | | Hugh de Beaumont, geb. 1106 , 1. Earl of Bedford | |
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| | | | | | | | | | | | | | | | | Grafschaft Worcester(1. Schöpfung) ausgestorben, 1166 | | | | | |
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| | | | | | | | William FitzRobert 1116–1183 2. Earl of Gloucester | | | | | | Hawise de Beaumont | | Robert de Beaumont , gest. 11903. Earl of Leicester |
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| | | | | | | | | | | | | | | | | | | | | Robert de Beaumont , gest. 12044. Earl of Leicester | | Amice, Gräfin von Rochefort |
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| | | | | | | | König Johann 1166–1216 | | Isabella 1173/1174–1217 Gräfin von Gloucester | | | | | | | | | | Simon de Montfort c. 1175–12185. Earl of Leicester |
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| | | | | | | | König Heinrich III. 1207–1272 | | | | | | | | | | Eleonore von England | | Simon de Montfort c. 1208–12656. Earl of Leicester |
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| | | | | | | | | | | | | | | | | | | | | | | | | | Grafschaft Leicester(1. Schöpfung) verwirkt, 1265 |
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| | | | | | | | | | | | | Graf von Leicester(2. Schöpfung), 1267Graf von Lancaster, 1276 |
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| | | | | | | | König Edward I. 1239–1307 | | Edmund Crouchback 1245–12961. Earl of Leicester,1. Earl of Lancaster |
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| | | | | | | | | | | | | | | | | | | | | | Grafschaft Leicester(2. Schöpfung) wiederhergestellt, 1324Grafschaft Lancasterrestauriert, 1327 |
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| | | | | | | | König Edward II. 1284–1327 | | Thomas von Lancaster 1278–13222. Earl of Leicester,2. Earl of Lancaster | | | | | | Heinrich von Lancaster 1281–13453. Earl of Leicester,3. Earl of Lancaster |
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| | | | | | | | | | | | | Grafschaft Leicester(2. Schöpfung) undGrafschaft Lancasterverfallen, 1322 | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| | | | | | | | | | | | | | | | | Herzog von Lancaster, 1351 | | | | | | | | | | | | | | | | | | | | | | | |
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| | | | | | | | König Edward III. 1312–1377 | | | | | | Heinrich von Grosmont ca. 1310–1361Herzog von Lancaster,4. Earl of Lancaster,4. Earl of Leicester | | | | | | Johanna von Lancaster ca. 1312–1349 | | John (II) de Mowbray 1310–1361 3. Baron Mowbray | | Eleonore von Lancaster 1318–1372 | | Maria von Lancaster ca. 1320 –1362 |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Graf von Worcester(2. Schöpfung), 1397 |
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| | | | | | | | Johannes von Gent 1340–1399Herzog von Lancaster,5. Earl of Lancaster,(6.) Earl of Leicesterjure uxoris Earl of Richmond | | Blanche von Lancaster 1342–13685. Gräfin von Lancaster,(6.) Gräfin von Leicester | | | | | | Maud von Lancaster 1340–1362, auch bekannt als Matilda, Gräfin von Hennegau | | Wilhelm 1330–1389 Herzog von Bayern und Graf von Holland ,(5.) Earl of Leicesterjure uxoris | | | | | | | Richard Fitzalan 1346–1397 Earl of Arundel | | Thomas Percy 1343–1403Graf von Worcester | |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Grafschaft Worcester(2. Schöpfung) ausgestorben, 1403 |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | Roger La Warr 1326–1370 | | Eleanor Mowbray | | | | | |
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| | | | | | | | | | | | | | Earl of Somerset(1. Schöpfung), 1397Marquess of Somersetund Marquess of Dorset (1. Verleihung), 1397 | | Earl of Dorset (2. Ernennung), 1411 | | | | | | | | | | | | | | | | | | | | |
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| | | | | | | | Henry Bolingbroke 1367–1413Herzog von Lancaster,(7.) Earl of LeicesterKönig Heinrich IV. | | John Beaufort ca. 1373–1410Marquess of SomersetMarquess of Dorset,1. Earl of Somerset | | Thomas Beaufort, ca. 1377–1426 , Herzog von Exeter , Earl of Dorset | | Joan Beaufort ca. 1379–1440 | | Joan La Warr | | Thomas West 1365–1405 1. Baron West | | Joan de Beauchamp 1375–1435 |
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| | | | | | | | Grafschaft Leicester(2. Schöpfung) undHerzogtum Lancasterin die Krone eingegliedert , 1399 | | Die Markgrafschaften von Somerset und Dorset (1. Verleihung) wurden 1399 widerrufen. | | Grafschaft Dorset (2. Schaffung) erloschen, 1426 | | | | | | | | | | | | | | | | | | | | |
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| | | | | | | | Herzog von Lancaster, 1399 | | | | | | | | | | | | | | | | | | | | | | | | | Graf von Worcester(3. Schöpfung), 1421 |
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| | | | | | | | Heinrich von Monmouth 1386–1422Herzog von LancasterKönig Heinrich V. | | | | | | | | | | | | | | | | Reginald West 1395–1450 6. Baron De La Warr und 3. Baron West | | | | | | Richard Beauchamp (1394– ca. 1422 )Graf von Worcester |
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| | | | | | | | Herzogtum Lancasterin die Krone eingegliedert , 1413 | | | | | | | | | | | | | | | | | | | | | | | | | Grafschaft Worcester(2. Schöpfung) ausgestorben, 1422 |
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| | | | | Herzog von Somerset(1. Schöpfung), 1443 | | | | | | Earl of Dorset (3. Verleihung), 1442 Marquess of Dorset (2. Verleihung), 1443Herzog von Somerset(2. Schöpfung), 1448 | | | | | | | | | | | | | | | | | | | | | | | | |
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| Henry Beaufort 1401–14182. Earl of Somerset | | John Beaufort 1404–14441. Herzog von Somerset,3. Earl of Somerset | | | | | | Edmund Beaufort 1406–14552. Herzog von Somerset, 1. Marquess of Dorset,4. Earl of Somerset, Earl of Dorset | | | | | | Richard Neville 1400–1460 Earl of Salisbury | | Richard West 1430–1476 7. Baron De La Warr und 4. Baron West | | Edward Neville d. 1476 de facto 3. (de jure 1.) Baron Bergavenny | | Elizabeth Beauchamp 1415–1448 |
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| | | | Herzogtum Somerset (1. Gründung) erloschen, 1444 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| | | | | | | | | | | | | | | | | | Die hier beanspruchten Titel sind umstritten. | | | | | | | Graf von Worcester(4. Schöpfung), 1449 | | | | | |
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| | | | Margaret Beaufort 1443–1509 | | Elizabeth Woodville ca. 1437–1492 | | Henry Beaufort 1436–14643. Herzog von Somerset, 2. Marquess of Dorset, 5. Earl of Dorset | | Edmund Beaufort ca. 1438–14714. Herzog von Somerset, 3. Marquess of Dorset, 6. Earl of Dorset | | Cecily Neville ca. 1425–1450 | | John Tiptoft 1427–14701. Earl of Worcester | | | | | |
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| | | | | | | | | | | | | | Herzogtum Somerset (2. Verleihung), Markgrafschaft Dorset (2. Verleihung) und Grafschaft Dorset erlangt, 1461, aber möglicherweise wiederhergestellt (umstritten), 1463 | | Herzogtum Somerset (2. Verleihung), Markgrafschaft Dorset (2. Verleihung) und Grafschaft Dorset erloschen 1471 | | | | | | Grafschaft Worcester(4. Schöpfung) geächtet, 1470 | | | | | |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Thomas West , ca. 1457–1525 , 8. Baron De La Warr und 5. Baron West |
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| | | | | | | | | | | | | | Marquess of Dorset (3. Verleihung), 1475 | | Graf von Worcester(5. Schöpfung), 1514 | | | | | | Graf von Worcester(4. Schöpfung) wiederhergestellt, 1471 | | | | | |
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| Margery Wentworth ca. 1478–1550 | | König Heinrich VII. 1457–1509 | | Elisabeth von York 1466–1503 | | Thomas Grey 1451–1501 1. Marquess of Dorset | | Charles Somerset ca. 1460 –15261. Earl of Worcester | | Elizabeth Somerset ca. 1476 –1507 3. Baroness Herbert suo jure | | Edward Tiptoft ca. 1469–14852. Earl of Worcester | | Eleanor West, geb. 1481 | | Edward Guildford ca. 1474 –1534 |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Grafschaft Worcester(4. Schöpfung) ausgestorben, 1485 | | | | | | | |
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| Viscount Beauchamp "of Hache " (1. Verleihung), 1536Earl of Hertford(2. Schöpfung), 1537Herzog von Somerset(4. Schöpfung), 1547 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Herzog von Somerset(3. Schöpfung), 1499 |
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| Edward Seymour ca. 1500 –1552Herzog von Somerset,Earl of Hertford und Viscount Beauchamp | | Jane Seymour ca. 1508–1537 | | König Heinrich VIII. 1491–1547 | | Thomas Grey 1477–1530 2. Marquess of Dorset | | Henry Somerset ca. 1495 – 15482. Earl of Worcester, 4. Baron Herbert | | John Dudley 1504–1553 Herzog von Northumberland | | Jane Guildford ca. 1508/1509 –1555 | | Maria Tudor 1496–1533 Königin von Frankreich Herzogin von Suffolk | | Prinz Edmund 1499–15001. Herzog von Somerset |
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| Herzogtum Somerset(4. Schöpfung),Grafschaft Hertford(2. Schöpfung) und Viscountcy Beauchamp (1. Schöpfung) Verfall, 1552 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Herzogtum Somerset(3. Schöpfung) ausgestorben, 1500 |
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| | | | | | | | | | Herzog von Richmond und Somerset , 1525 | | | | | | | | | | | | | | | | | | | | | | | | |
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| | | | | König Edward VI. 1537–1553 | | Henry Fitzroy 1519–1536 1. Herzog von Richmond und Somerset | | | | | | | | | | | | | | | | Henry Grey 1517–1554 Herzog von Suffolk 3. Marquess of Dorset | | Lady Frances Brandon 1517–1559 Herzogin von Suffolk |
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| | | | | | | | | | Herzogtum Richmond und Somerset erloschen, 1536 | | | | | | | | | | | | | | | | Marquessate of Dorset (3. Verleihung) geächtet und Ehren verloren, 1554 | | | |
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| | | | | Earl of Hertford(3. Schöpfung) und Viscount Beauchamp "of Hache " (2. Schöpfung), 1559 | | | | | | | | | | | | | | | | | | | | | Graf von Leicester(3. Schöpfung), 1564 | | | | | | | | | | | | | | | | | Baron Buckhurst (1. Verleihung), 1567 Earl of Dorset (4. Verleihung), 1604 |
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| Edward Seymour ca. 1528 –1593 | | Edward Seymour 1539–16211. Earl of Hertford | | | | | | Katherine Grey 1540–1568 | | William Somerset ca. 1526 –15893. Earl of Worcester, 5. Baron Herbert | | John Dudley, ca. 1527–1554 , Earl of Warwick | | Robert Dudley 1532–15881. Earl of Leicester | | Mary Dudley, gest. 1586 , verh. mit Henry Sidney | | Lord Guildford Dudley ca. 1535 –1554 | | Lady Jane Grey 1537–1554 Umstrittene Königin von England | | Thomas Sackville 1536–1608 1. Earl of Dorset, 1. Baron Buckhurst |
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| | | | | Grafschaft Hertford(3. Schöpfung) Verfall, 1552 | | | | | | | | | | | | | | | | | | | | Grafschaft Leicester(3. Schöpfung) ausgestorben, 1588 | | | | | | | | | | | | | | | | | | |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Graf von Leicester(4. Schöpfung), 1618 | | | | | | | | | |
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| Edward Seymour ca. 1563 –1613 1. Baronet | | | | | | Edward Seymour 1561–1612 Viscount Beauchamp | | | | | | Edward Somerset 1553–16284. Earl of Worcester, 6. Baron Herbert | | | | | | Philip Sidney 1554–1586 | | Mary Sidney 1561–1621 | | Robert Sidney 1563–16261. Earl of Leicester | | | | | | Robert Sackville 1561–1609 2. Earl of Dorset, 2. Baron Buckhurst |
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| | | | | Marquess of Hertford(1. Schöpfung), 1641Herzog von Somerset(4. Schöpfung wiederhergestellt), 1660 | | Baron Seymour of Trowbridge , 1641 | | | | | | Marquess of Worcester, 1642 | | Viscount Somerset of Cashel, 1626 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Viscount Rochester , 1611Earl of Somerset(3. Schöpfung), 1613 |
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| Edward Seymour, ca. 1580–1659 , 2. Baronet | | William Seymour 1588–16602. Herzog von Somerset,1. Marquess of Hertford,2. Earl of Hertford | | Francis Seymour (ca. 1590–1664 ) , 1. Lord Seymour of Trowbridge | | | | | | Henry Somerset 1577–16461. Marquess of Worcester,5. Earl of Worcester, 7. Baron Herbert | | Thomas Somerset 1579–1651 Viscount Somerset | | | | | | | | | | Robert Sidney 1595–16772. Earl of Leicester | | Richard Sackville 1589–1624 3. Earl of Dorset, 3. Baron Buckhurst | | Edward Sackville 1591–1652 4. Earl of Dorset, 4. Baron Buckhurst | | | | | | Robert Carr ca. 1587–1645Earl of Somerset, Viscount Rochester |
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| | | | | | | | | | | | | | | | | | | | | | | | | Vizegrafschaft Somersetausgestorben, 1651 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Grafschaft Somerset(3. Schöpfung) und Viscounty Rochester erloschen, 1645 |
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| Edward Seymour 1610–1688 3. Baronet | | Henry Seymour, ca. 1626–1654 , Lord Beauchamp | | | Charles Seymour, ca. 1621–1665 , 2. Lord Seymour of Trowbridge | | | | | | Edward Somerset 1601–16672. Marquess of Worcester,6. Earl of Worcester, 8. Baron Herbert | | | | | | Philip Sidney 1619–16983. Earl of Leicester | | Algernon Sidney 1623–1683 | | Lady Lucy Sidney 1630–1685 | | Henry Sidney 1641–1704 Earl of Romney | | Richard Sackville 1522–1677 5. Earl of Dorset, 5. Baron Buckhurst |
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| | | | | | | | | | | | | | | | | | | | | | | | | | Herzog von Beaufort, 1682 | | | | | | | | | | | | | | | | | | | | | Baron Cranfield , of Cranfield, 1674 Earl of Middlesex (2. Verleihung), 1675 |
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| Edward Seymour 1633–1708 4. Baronet | | William Seymour 1650–16713. Herzog von Somerset,2. Marquess of Hertford,3. Earl of Hertford | | John Seymour ca. 1646 –16754. Herzog von Somerset,3. Marquess of Hertford,4. Earl of Hertford | | Francis Seymour 1658–16785. Herzog von Somerset, 3. Lord Seymour von Trowbridge | | Charles Seymour 1662–17486. Herzog von Somerset | | Henry Somerset 1629–17001. Herzog von Beaufort,3. Marquess of Worcester,7. Earl of Worcester, 9. Baron Herbert | | Robert Sidney 1649–17024. Earl of Leicester | | | | | | | | | | Thomas Pelham 1653–1712 | | Charles Sackville 1522–1677 6. Earl of Dorset, 1. Earl of Middlesex, 6. Baron Buckhurst, 1. Baron Cranfield |
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| | | | | | | | | | Markgrafschaft von Hertford(1. Schöpfung) ausgestorben, 1675 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| | | | | Baron Conway of Ragley , 1703; Baron Conway of Killultagh , 1712 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Herzog von Dorset , 1720 |
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| Edward Seymour 1663–1740 5. Baronet | | Francis Seymour-Conway 1679–1732 1. Baron Conway | | | | | | Edward Coke, gest. 1707 | | Algernon Seymour 1684–17507. Herzog von Somerset, Graf von Northumberland | | Charles Somerset (1660–1698) , Marquess of Worcester | | Philip Sidney 1676–17055. Earl of Leicester | | John Sidney 1680–17376. Earl of Leicester | | Jocelyn Sidney 1682–17437. Earl of Leicester | | Elizabeth Pelham 1681–1711 | | Lionel Sackville 1688–1765 1. Herzog von Dorset, 7. Earl of Dorset, 2. Earl of Middlesex, 7. Baron Buckhurst, 2. Baron Cranfield |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Grafschaft Leicester(4. Schöpfung) ausgestorben, 1743 | | | | | | | | | | | | | | | | | | | |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | Baron Lovel , von Minster Lovel, 1728Graf von Leicester(5. Schöpfung) und Viscount Coke , 1744 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| Edward Seymour 1695–1757 6. Baronet8. Herzog von Somerset | | | | | | | | | | | | | | | | | | | | Anne Coke | | Thomas Coke 1697–1759Graf von LeicesterViscount Coke und Baron Lovel | | Henry Somerset 1684–17142. Herzog von Beaufort,4. Marquess of Worcester,8. Earl of Worcester, 10. Baron Herbert | | | | | | Charles Townshend 1700–1764 3. Viscount Townshend | | | | | | | | | | | | | | | |
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| | | | | | | | | | | | | | | | | | Earl of Hertford(4. Schöpfung) undViscount Beauchamp(2. Schöpfung), 1850Marquess of Hertford(2. Schöpfung) undGraf von Yarmouth(3. Schöpfung), 1793 | | | | | | | Grafschaft Leicester(5. Schöpfung) und Nebentitel erloschen 1759 | | | | | | | | | | | | | | | | | | | | | | | | | | | Viscount Sackville und Baron Bolebrooke , 1782 |
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| Edward Seymour 1717–17929. Herzog von Somerset | | Webb Seymour 1718–179310. Herzog von Somerset | | | | | | Francis Seymour 1726–1799 | | Francis Seymour-Conway 1718–17941. Marquess of Hertford, Earl of Hertford, Earl of Yarmouth und Viscount Beauchamp, 2. Baron Conway | | Wenman (Roberts) Coke ca. 1717 –1776 | | | | | | Henry Somerset-Scudamore 1707–17453. Herzog von Beaufort,5. Marquess of Worcester,9. Earl of Worcester, 11. Baron Herbert | | Charles Noel Somerset 1709–17564. Herzog von Beaufort,6. Marquess of Worcester,10. Earl of Worcester, 12. Baron Herbert | | George Townshend 1724–1807 1. Marquess Townshend | | Charles Sackville 1711–1769 2. Herzog von Dorset, 8. Earl of Dorset, 3. Earl of Middlesex, 8. Baron Buckhurst, 3. Baron Cranfield | | John Sackville 1713–1765 | | George Germain 1716–1785 1. Viscount Sackville, 1. Baron Bolebrooke |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | Graf von Leicester(7. Schöpfung), 1837 | | | | | | Die Aussetzung der Amtsgeschäfte von Baron Botetourt wurde 1803 beendet. | | Graf von Leicester(6. Schöpfung), 1784 | | | | | | | | | | | | | | |
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| | | | | | | | | | | | | Francis Compton Seymour, gest. 1822 | | Francis Ingram-Seymour-Conway 1743–18222. Marquess of Hertford, Earl of Hertford, Earl of Yarmouth und Viscount Beauchamp, 3. Baron Conway | | Hugh Seymour 1759–1801 | | Thomas William Coke 1754–18421. Earl of Leicesterund Viscount Coke | | | | | | Henry Somerset 1744–18035. Herzog von Beaufort,7. Marquess of Worcester,11. Earl of Worcester, 13. Baron Herbert, 5. Baron Botetourt | | George Townshend 1753–1811 2. Marquess Townshend,1. Earl of Leicester | | | | | | John Frederick Sackville 1745–1799 3. Herzog von Dorset, 9. Earl of Dorset, 4. Earl of Middlesex, 9. Baron Buckhurst, 4. Baron Cranfield | | | | | |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Baron Raglan , 1852 | | | | | | | | | | | | | | | | | | | |
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| | | | Edward Adolphus St Maur 1775–185511. Herzog von Somerset | | | | | | | | | | | Francis Charles Seymour-Conway 1777–18423. Marquess of Hertford, Earl of Hertford, Earl of Yarmouth und Viscount Beauchamp, 4. Baron Conway | | George Seymour 1787–1870 | | | | | | | Henry Charles Somerset 1766–18356. Herzog von Beaufort,8. Marquess of Worcester,12. Earl of Worcester, 14. Baron Herbert, 6. Baron Botetourt | | FitzRoy James Henry Somerset 1788–1855 1. Baron Raglan | | George Townshend 1778–1855 3. Marquess Townshend,2. Earl of Leicester | | | | | | George John Frederick Sackville 1793–1815 4. Herzog von Dorset, 10. Earl of Dorset, 5. Earl of Middlesex, 10. Baron Buckhurst, 5. Baron Cranfield | | John Frederick Sackville 1767–1843 5. Herzog von Dorset, 11. Earl of Dorset, 6. Earl of Middlesex, 2. Viscount Sackville, 11. Baron Buckhurst, 6. Baron Cranfield, 2. Baron Bolebrooke |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Grafschaft Leicester(6. Schöpfung) ausgestorben, 1855 | | | | | | | | | | Herzogtum Dorset, Grafschaften Dorset (4. Verleihung) und Middlesex (2. Verleihung), Viscounty of Sackville, Baronien Buckhurst (1. Verleihung), Cranfield und Bolebrooke erloschen 1843 |
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| | | | | | | | | | | | | Francis Edward Seymour 1788–1866 | | Richard Seymour-Conway 1800–18704. Marquess of Hertford, Earl of Hertford, Earl of Yarmouth und Viscount Beauchamp, 5. Baron Conway | | Francis George Hugh Seymour 1812–18845. Marquess of Hertford, Earl of Hertford, Earl of Yarmouth und Viscount Beauchamp, 6. Baron Conway | | | | | | | Henry Somerset 1792–18537. Herzog von Beaufort,9. Marquess of Worcester,13. Earl of Worcester, 15. Baron Herbert, 8. Baron Botetourt | | | | | |
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| Earl St. Maur , 1863 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| Edward Adolphus St Maur 1804–188512. Herzog von Somerset | | Archibald Henry Algernon St Maur 1810–189113. Herzog von Somerset | | Algernon Percy Banks St Maur 1813–189414. Herzog von Somerset | | Francis Payne Seymour 1815–1870 | | | | | | | | | | | Thomas William Coke 1822–19092. Earl of Leicesterund Viscount Coke | | Henry Charles FitzRoy Somerset 1824–18998. Herzog von Beaufort,10. Marquess of Worcester,14. Earl of Worcester, 16. Baron Herbert, 8. Baron Botetourt | | | | | | Richard Henry FitzRoy Somerset 1817–1884 2. Baron Raglan |
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| Grafschaft St. Maur erloschen, 1885 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| Edward Adolphus Ferdinand St. Maur 1835–1869 | | | | | | Algernon St Maur 1846–192315. Herzog von Somerset | | Edward Hamilton Seymour 1860–193116. Herzog von Somerset | | Hugh de Gray Seymour 1843–19126. Marquess of Hertford, Earl of Hertford, Earl of Yarmouth und Viscount Beauchamp, 7. Baron Conway | | | | | | Thomas William Coke 1848–19413. Earl of Leicesterund Viscount Coke | | Henry Adelbert Wellington FitzRoy Somerset 1847–19249. Herzog von Beaufort,11. Marquess of Worcester,15. Earl of Worcester, 17. Baron Herbert, 9. Baron Botetourt | | Henry Richard Charles Somerset 1849–1932 | | George FitzRoy Henry Somerset 1857–1921 3. Baron Raglan |
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| | | | | | | | Evelyn Francis Edward Seymour 1882–195417. Herzog von Somerset | | George Francis Alexander Seymour 1871–19407. Marquess of Hertford, Earl of Hertford, Earl of Yarmouth und Viscount Beauchamp, 8. Baron Conway | | Henry Charles Seymour 1878–1939 | | Thomas William Coke 1880–19494. Earl of Leicesterund Viscount Coke | | Arthur George Coke 1882–1915 | | | | | | | Henry Charles Somers Augustus Somerset 1874–1945 | | FitzRoy Richard Somerset 1885–1964 4. Baron Raglan |
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| | | | | | | | Percy Hamilton Seymour 1910–198418. Herzog von Somerset | | | | | | | | | | | Thomas William Edward Coke 1908–19765. Earl of Leicesterund Viscount Coke | | Anthony Louis Lovel Coke 1909–19946. Earl of Leicesterund Viscount Coke | | Henry Hugh Arthur FitzRoy Somerset 1900–198410. Herzog von Beaufort,12. Marquess of Worcester,16. Earl of Worcester, 18. Baron Herbert, 10. Baron Botetourt | | Henry Robert Somers FitzRoy de Vere Somerset 1898–1965 | | | | |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Baronie Botetourt abeyant, 1984 | | | | | | | | | | | | | | | |
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| | | | | | | | | | | | | | | | | Hugh Edward Conway Seymour 1930–19978. Marquess of Hertford, Earl of Hertford, Earl of Yarmouth und Viscount Beauchamp, 9. Baron Conway | | | | | | Edward Douglas Coke 1936–20157. Earl of Leicesterund Viscount Coke | | | | | | David Robert Somerset 1928–201711. Herzog von Beaufort,13. Marquess of Worcester,17. Earl of Worcester | | FitzRoy John Somerset 1927–2010 5. Baron Raglan | | Geoffrey Somerset 1932–2025, 6. Baron Raglan |
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| | | | | | | | John Michael Edward Seymour, geboren 195219. Herzog von Somerset | | | | | | Henry (Harry) Jocelyn Seymour, geb. 19589. Marquess of Hertford, Earl of Hertford, Earl of Yarmouth und Viscount Beauchamp, 10. Baron Conway | | | | | | Thomas Edward Coke, geb. 19658. Earl of Leicesterund Viscount Coke | | | | | | Henry John FitzRoy Somerset, geb. 195212. Herzog von Beaufort,14. Marquess of Worcester,18. Earl of Worcester | | | | | | Arthur Geoffrey Somerset 1960–2012 | |
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| | | | | | | | Sebastian Edward Seymour, geboren 1982 , trägt den Titel Lord Seymour. | | | | | | William Francis Seymour, geboren 1993 , trägt den Titel Earl of Yarmouth. | | | | | | Edward Horatio Coke, geb. 2003 , mit dem Titel Viscount Coke | | | | | | Henry Robert FitzRoy Somerset, geboren 1989 , trägt den Titel Marquess of Worcester. | | | | | | Inigo Arthur Fitzroy Somerset, 7. Baron Raglan, geb. 2004 | | Ivo Geoffrey Arthur Tarsus Somerset geb. 2007 | |
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| | | | | | | | ThronfolgerHerzogtum Somerset | | | | | | ThronfolgerMarkgrafschaft von Hertford | | | | | | ThronfolgerGrafschaft Leicester | | | | | | ThronfolgerHerzogtum Beaufort | | | | | | | | | | Thronfolger der Baronie Raglan | |
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