Template:Dukes of Somerset family tree

Beaufort, Tudor & Seymour family tree of Earls and Dukes of Somerset

King Edward III (1312–1377) John of Gaunt Duke of Lancaster (1340–1399) EARL OF SOMERSET, 1397 MARQUESS OF SOMERSET, 1397 (Marquessate revoked, 1399) John Beaufort 1st Earl of Somerset (1373–1410) DUKE OF SOMERSET (first creation), 1443 DUKE OF SOMERSET (second creation), 1448 Henry Beaufort 2nd Earl of Somerset (1401–1418) John Beaufort 3rd Earl of Somerset 1st Duke of Somerset (1404–1444) Edmund Beaufort 4th Earl of Somerset 2nd Duke of Somerset (1406–1455) Dukedom extinct, 1444 Lady Margaret Beaufort Countess of Richmond and Derby (1443–1509) Henry Beaufort 3rd Duke of Somerset (1436–1464) Edmund Beaufort 4th Duke of Somerset (c. 1439–1471) Dukedom extinct, 1471 Margery Wentworth (c. 1478–1550) King Henry VII (1457–1509) Dukes of Beaufort EARL OF HERTFORD, 1537 DUKE OF SOMERSET (fourth creation), 1547 DUKE OF SOMERSET (third creation), 1499 Edward Seymour 1st Duke of Somerset (c. 1500–1552) Jane Seymour (c. 1508–1537) King Henry VIII (1491–1547) Mary Tudor Queen of France Duchess of Suffolk (1496–1533) Prince Edmund 1st Duke of Somerset (1499–1500) Earldom of Hertford and Dukedom of Somerset forfeit, 1552 Dukedom of Somerset extinct, 1500 DUKE OF RICHMOND AND SOMERSET, 1525 King Edward VI (1537–1553) Henry Fitzroy 1st Duke of Richmond and Somerset (1519–1536) Lady Frances Brandon Duchess of Suffolk (1517–1559) Dukedom of Richmond and Somerset extinct, 1536 EARL OF HERTFORD, 1559 Lord Edward Seymour (c. 1528–1593) Edward Seymour 1st Earl of Hertford (1539–1621) Lady Katherine Grey (1540–1568) Lady Jane Grey (1537–1554) Sir Edward Seymour 1st Baronet (c. 1563–1613) Edward Seymour Viscount Beauchamp (1561–1612) MARQUESS OF HERTFORD, 1641 DUKE OF SOMERSET (fourth creation restored), 1660 BARON SEYMOUR of TROWBRIDGE, 1641 EARL OF SOMERSET (third creation), 1613 Sir Edward Seymour 2nd Baronet (c. 1580–1659) William Seymour 2nd Earl of Hertford 1st Marquess of Hertford 2nd Duke of Somerset (1588–1660) Francis Seymour 1st Lord Seymour of Trowbridge (c. 1590–1664) Robert Carr Earl of Somerset (c. 1587–1645) Earldom extinct, 1645 Sir Edward Seymour 3rd Baronet (1610–1688) Henry Seymour Lord Beauchamp (c. 1626–1654) Charles Seymour 2nd Lord Seymour of Trowbridge (c. 1621–1665) Sir Edward Seymour 4th Baronet (1633–1708) William Seymour 3rd Duke of Somerset (1650–1671) John Seymour 4th Duke of Somerset (c. 1646–1675) Francis Seymour 3rd Lord Seymour of Trowbridge 5th Duke of Somerset (1658–1678) Charles Seymour 6th Duke of Somerset (1662–1748) MARQUESSES OF HERTFORD EARL OF NORTHUMBERLAND, 1749 Sir Edward Seymour 5th Baronet (1663–1740) Algernon Seymour 7th Duke of Somerset 1st Earl of Northumberland (1684–1750) Dukes of Northumberland Sir Edward Seymour 6th Baronet 8th Duke of Somerset (1695–1757) Edward Seymour 9th Duke of Somerset (1717–1792) Webb Seymour 10th Duke of Somerset (1718–1793) Lord Francis Seymour (1726–1799) George Seymour Viscount Beauchamp (1725–1744) Francis Compton Seymour (d. 1822) Edward Adolphus St Maur 11th Duke of Somerset (1775–1855) Francis Edward Seymour (1788–1866) Edward Adolphus St Maur 12th Duke of Somerset (1804–1885) Archibald Henry Algernon St Maur 13th Duke of Somerset (1810–1891) Algernon Percy Banks St Maur 14th Duke of Somerset (1813–1894) Francis Payne Seymour (1815–1870) Edward Adolphus Ferdinand St Maur Earl St Maur (1835–1869) Algernon St Maur 15th Duke of Somerset (1846–1923) Francis Alexander Dallas Seymour (1853–1883) Edward Hamilton Seymour 16th Duke of Somerset (1860–1931) Evelyn Francis Edward Seymour 17th Duke of Somerset (1882–1954) Percy Hamilton Seymour 18th Duke of Somerset (1910–1984) John Michael Edward Seymour 19th Duke of Somerset (b. 1952) Sebastian Edward Seymour Lord Seymour (b. 1982)