European Heraldry

House of Seymour
Incorporating the families of Conway, Percy and Wyndham

Sir John Seymour (1474–1536)

Children of Sir John Seymour and Margery Wentworth:

• Edward Seymour, 1st Duke of Somerset KG (c.1506-1552).
• Thomas Seymour, 1st Baron Seymour of Sudeley KG (c.1508-1549), married Catherine Parr ( c.1512 – 1548), Dowager Queen of England.
• Jane Seymour, Queen of England (c.1509-1537). Coat of Augmentation granted to her by Henry VIII and subsequently borne by all the Seymours of this line.
• Elizabeth Seymour, Marchioness of Winchester (c.1513-1563).
• Sir Henry Seymour (c.1514 - after 1568).

Viscount Beauchamp, ("of Hache") (1536–1552)
Barons Beauchamp ("of Hache") (1559–1750)
Earls of Hertford (1537,forfeit)
Dukes of Somerset (1547, forfeit 1552 to 1660)
Earls of Hertford (1559-1750)
Barons Beauchamp ("of Hache") (1559–1750)
Marquesses of Hertford (1641-1675)

• Edward Seymour, 1st Viscount Beauchamp, 1st Duke of Somerset, 1st Earl of Hertford KG (1506–1552), forfeit 1552
• Edward Seymour, 1st Earl of Hertford, 1st Baron Beauchamp (1539–1621)
• Edward Seymour, Lord Beauchamp of Hache (1561–1612),married Lady Katherine Grey ( - 1568), the younger sister of Lady Jane Grey.
• William Seymour, 2nd Earl of Hertford, 2nd Duke of Somerset, 1st Marquess of Hertford KG (1587–1660) (restored to the Dukedom of Somerset in 1660)
• William Seymour, 3rd Duke of Somerset, 2nd Marquess of Hertford (1651–1671)
• John Seymour, 4th Duke of Somerset, 3rd Marquess of Hertford (d. 1675)

Dukes of Somerset (1547, forfeit 1552 to 1660, from 1675-1750)
Earls of Hertford (1559-1750, from 1675-1750)
Barons Beauchamp ("of Hache") (1559–1750, from 1675-1750)
Barons Seymour of Trowbridge (1641-1750)
Earl of Northumberland (1749-1750)
Earl of Egremont (1749-1750)
Baron Percy (1722-1750), created by error

• Francis Seymour, 1st Baron Seymour of Trowbridge (c.1590–1664), younger son of Edward Seymour, Lord Beauchamp of Hache (1561–1612)
• Charles Seymour, 2nd Baron Seymour of Trowbridge (c.1621–1665)
• Francis Seymour, 5th Duke of Somerset, 3rd Baron Seymour of Trowbridge (1658–1678)
• Charles Seymour, 6th Duke of Somerset KG (1662–1748), married Lady Elizabeth Percy (1667– 1722), only daughter and heir of Joceline Percy, 11th Earl of Northumberland.
• Algernon Seymour, 7th Duke of Somerset, 1st Baron Percy, 1st Earl of Northumberland, Baron Warkworth, 1st Earl of Egremont, Baron Cockermouth (1684–1750)
• George Seymour, Viscount Beauchamp (1725–1744), only son of the 7th Duke, died without issue.

Seymour of Berry Pomeroy, Baronets (1611)
Dukes of Somerset (1547, forfeit 1552 to 1660, from 1750)
Earl St. Maur (1863-1891)

• Sir Edward Seymour, 1st Baronet (c. 1563–1613), eldest grandson of (by his first marriage).
• Sir Edward Seymour, 2nd Baronet (c. 1580–1659)
• Sir Edward Seymour, 3rd Baronet (1610–1688)
• Sir Edward Seymour, 4th Baronet (1633–1708)
• Sir Edward Seymour, 5th Baronet (1663–1740)
• 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)
• Edward St Maur, 11th Duke of Somerset KG (1775–1855)
• Edward Seymour, 12th Duke of Somerset, 1st Earl St Maur KG (1804–1885)
• Ferdinand Seymour, Earl St Maur (1835–1869), eldest son of the 12th Duke, died without issue
• Archibald Seymour, 13th Duke of Somerset (1810–1891)
• Algernon St Maur, 14th Duke of Somerset (1813–1894)
• Algernon Seymour, 15th Duke of Somerset (1846–1923)
• Duke of Somerset (1860–1931), descendant of the 8th Duke
• Evelyn Seymour, 17th Duke of Somerset (1882–1954)
• Percy Seymour, 18th Duke of Somerset (1910–1984)
• John Seymour, 19th Duke of Somerset (b. 1952)

Barons Conway (1703)
Barons Conway of Killultagh, in the Peerage of Ireland (1712)
Earl of Hertford (1750)
Marquesses of Hertford (1793)

• Francis Seymour-Conway, 1st Baron Conway (1679–1732), third son of Sir Edward Seymour of Berry Pomeroy, 4th Baronet. Francis succeeded to the estates of his mother’s relative Edward Conway, 1st Earl of Conway, and assumed the same year by Royal license the additional surname of Conway.
• Francis Seymour-Conway, 1st Marquess of Hertford, Earl of Yarmouth, 1st Earl of Hertford and Viscount Beauchamp, 2nd Baron Conway KG (1718–1794)
• Francis Ingram-Seymour-Conway, 2nd Marquess of Hertford KG (1743–1822)
• Francis Charles Seymour-Conway, 3rd Marquess of Hertford KG (1777–1842)
• Richard Seymour-Conway, 4th Marquess of Hertford KG (1800–1870)
• Francis Hugh George Seymour, 5th Marquess of Hertford (1812–1884)
• Hugh de Grey Seymour, 6th Marquess of Hertford (1843–1912)
• George Francis Alexander Seymour, 7th Marquess of Hertford (1871–1940)
• Hugh Edward Conway Seymour, 8th Marquess of Hertford (1930–1997)
• Henry Jocelyn Seymour, 9th Marquess of Hertford (b. 1958)

Barons Alcester (1882-1895)

• Frederick Beauchamp Paget Seymour, 1st Baron Alcester (1821–1895), great-grandson of Francis Seymour-Conway, 1st Marquess of Hertford.

Seymour of Langley, Baronets (1681-1714)

• Sir Henry Seymour, 1st Baronet (1674–1714), son of the second son of Sir Edward Seymour of Berry Pomeroy , 2nd Baronet.

Barons Conway (1624-1683)
Viscounts Conway (1627-1683)
Viscounts Killultagh, in the Peerage of Ireland (1627-1683)
Earl of Conway (1679-1683)

• Edward Conway, 1st Baron Conway, 1st Viscount Conway, 1st Viscount Killultagh (1564–1631)
• Edward Conway, 2nd Viscount Conway, 2nd Viscount Killultagh (1594–1655)
• Edward Conway, 1st Earl of Conway, 3rd Viscount Conway, 3rd Viscount Killultagh (1623–1683)

House of Percy

Barons Percy (1066)

• William de Percy, 1st Baron Percy (d. 1096)
• Alan de Percy, 2nd Baron Percy (ca. 1069–1135)
• William de Percy, 3rd Baron Percy (d. ca. 1150)
• William de Percy, 4th Baron Percy (1112–1175)
• Henry de Percy, 5th Baron Percy (d. 1198), son of Joscelin de Lorraine and Agnes de Percy.
• William de Percy, 6th Baron Percy (1193–1245)
• Henry de Percy, 7th Baron Percy (1228–1272)
• Henry de Percy, 8th Baron Percy, 1st Baron Percy (of Alnwick) (1273–1314)

Barons Percy (of Alnwick) (1299)
Earl of Northumberland (1377, forfeit 1405)
Earls of Northumberland (1416-1670)

• Henry de Percy, 1st Baron Percy (1273–1314)
• Henry de Percy, 2nd Baron Percy (1300–1351)
• Henry de Percy, 3rd Baron Percy (1320–1368)
• Henry Percy, 1st Earl of Northumberland, 4th Baron Percy KG (1341–1408) (forfeit 1405), married, secondly, (d.1389), daughter of Thomas de Lucy, 2nd Lord Lucy and settled her large inheritance upon her second husband Hugh Percy, and his heirs male, on condition that they should always bear the arms of Lucy quartered with those of Percy.
• Henry Percy, 2nd Earl of Northumberland KG (1394–1455), grandson of Henry (1341–1408) and son of Sir Henry 'Hotspur' Percy KG (1364–1403).
• Henry Percy, 3rd Earl of Northumberland KG (1421–1461), (forfeit 1461)
• Henry Percy, 4th Earl of Northumberland, 8th Baron Poynings KG (1449–1489) (restored 1470-1473)
• Henry Algernon Percy, 5th Earl of Northumberland KG (1478–1527)
• Henry Percy, 6th Earl of Northumberland KG (1502–1537)
• Thomas Percy, 7th Earl of Northumberland KG (1528–1572)
• Henry Percy, 8th Earl of Northumberland (d.1585)
• Henry Percy, 9th Earl of Northumberland KG (1564–1632)
• Algernon Percy, 10th Earl of Northumberland KG (1602–1668)
• Joceline Percy, 11th Earl of Northumberland (1644–1670)

Smithson of Stanwick, Baronets (1660, to 1865)
Earls of Northumberland (1749, from 1750)
Dukes of Northumberland (1766, to 1865)
Barons Lovaine (1784, to 1786)
Baron Percy (1722, from 1776 to 1865)
Baron Prudhoe (1816, to 1865)

• Sir Hugh Smithson, 1st Baronet (c.1598-1670)
• Sir Jerome Smithson, 2nd Baronet (c.1630-1684)
• Sir Hugh Smithson, 3rd Baronet (1657-1733)
• Baronet, 2nd Earl of Northumberland, 1st Duke of Northumberland, Earl Percy, 1st Baron Lovaine KG (1714–1786),married Elizabeth Seymour, 2nd Baroness Percy,daughter of Algernon Seymour, 7th Duke of Somerset.
• Hugh Percy, 2nd Duke of Northumberland, 3rd Baron Percy KG (1742–1817)
• Hugh Percy, 3rd Duke of Northumberland, 4th Baron Percy KG (1785–1847)
• Algernon Percy, 4th Duke of Northumberland, 5th Baron Percy, 1st Baron Prudhoe KG (1792–1865)

Smithson of Stanwick, Baronets (1660, from 1865)
Earls of Northumberland (1749, from 1865)
Dukes of Northumberland (1766, from 1865)
Barons Lovaine (1784, from 1786)
Earl of Beverley (1790)
Barons Percy (1722, from 1957)

• Algernon Percy, 2nd Baron Lovaine, 1st Earl of Beverley (1750–1830), inherited the barony of Lovaine under the special remainder to pass to the second son of 1st Duke of Northumberland.
• George Percy, 2nd Earl of Beverley, 3rd Baron Lovaine, 5th Duke of Northumberland KG (1778–1867)
• Algernon George Percy, 6th Duke of Northumberland KG (1810–1899)
• Henry George Percy, 7th Duke of Northumberland KG (1846–1918)
• Alan Ian Percy, 8th Duke of Northumberland KG (1880–1930)
• Henry George Alan Percy, 9th Duke of Northumberland (1912–1940)
• Hugh Algernon Percy, 10th Duke of Northumberland, 9th Baron Percy KG (1914–1988)
• Henry Alan Walter Richard Percy, 11th Duke of Northumberland, 10th Baron Percy (1953–1995)
• Ralph George Algernon Percy, 12th Duke of Northumberland, 11th Baron Percy (b. 1956)

Baron Percy of Newcastle (1953)

• Eustace Sutherland Campbell Percy, 1st Baron Percy of Newcastle (1887–1958), seventh son of Henry Percy, 7th Duke of Northumberland.

Barons Percy (1722, from 1865 to 1957)

• John James Hugh Henry Stewart-Murray, 6th Baron Percy, 7th Duke of Atholl KT (1840–1917), son of Lady Emily Frances Percy, second daughter of Hugh Percy, 2nd Duke of Northumberland.
• John George Stewart-Murray, 7th Baron Percy, 8th Duke of Atholl KT (1871–1942)
• James Thomas Stewart-Murray, 8th Baron Percy, 9th Duke of Atholl (1879–1957)

House of Wyndham

Barons Egremont (1449-1460)

• Thomas Percy, 1st Baron Egremont (1422–1460), son of Henry Percy, 2nd Earl of Northumberland

Wyndham of Orchard, Baronets (1661-1845)
Earls of Egremont (1749, from 1750-1845)

• Sir William Wyndham, 1st Baronet (c. 1632–1683)
• Sir Edward Wyndham, 2nd Baronet (c. 1667–1695)
• Sir William Wyndham, 3rd Baronet (1687–1740), married Lady Catherine Seymour, daughter of Charles Seymour, 6th Duke of Somerset.
• Sir Charles Wyndham, 4th Baronet, 2nd Earl of Egremont (1710–1763), succeeded his uncle, Algernon Seymour, 7th Duke of Somerset, 1st Earl of Egremont.
• Charles Wyndham, 2nd Earl of Egremont (1710–1763)
• George O'Brien Wyndham, 3rd Earl of Egremont (1751–1837)
• George Francis Wyndham, 4th Earl of Egremont (1785–1845)

Earl of Thomond ( 1756-1774)

• Percy Wyndham-O'Brien, 1st Earl of Thomond and Baron Ibracken (c. 1723– 1774), younger son of Sir William Wyndham, 3rd Baronet. In 1741, Henry O'Brien, 8th Earl of Thomond died without issue and in his will left the entire Irish estates of the Earls of Thomond to his nephew Percy Wyndham, the younger son of his wife's sister.

Barons Leconfield (1859)
Barons Egremont (1963)

• George Wyndham, 1st Baron Leconfield (1787–1869), eldest natural son and adopted heir of George Wyndham, 3rd Earl of Egremont.
• Henry Wyndham, 2nd Baron Leconfield (1830–1901)
• Charles Henry Wyndham, 3rd Baron Leconfield (1872–1952)
• Hugh Archibald Wyndham, 4th Baron Leconfield (1877–1963)
• Edward Scawen Wyndham, 5th Baron Leconfield (1883–1967)
• John Edward Reginald Wyndham, 6th Baron Leconfield, 1st Baron Egremont (1920–1972)
• (John) Max Henry Scawen Wyndham, 7th Baron Leconfield, 2nd Baron Egremont (b. 1948)