Children of John of Gaunt, (1340-1399), 1st Duke of Lancaster, Duke of Aquitaine, third son of King Edward III and Katherine Swynford née (de) Roet (1350-1403).
John and Katherine married in 1396.The four children Katherine had borne John of Gaunt had been given the surname "Beaufort" and were already adults when they were legitimised by this marriage with approval by King Richard II. The Beauforts were later barred from inheriting the throne by a clause inserted into the legitimation act by their half-brother, Henry IV.
John Beaufort, (1373-1410),1st Earl of Somerset. see below
Henry Beaufort, (1375-1447), Cardinal. dsp
Thomas Beaufort, (1377-1426), Duke of Exeter KG. dsp
Joan Beaufort, (1379-1440), Countess of Westmorland
John Beaufort, 1st Earl of Somerset (1373-1410), before 1396
John Beaufort, 1st Earl of Somerset (1373-1410), after 1396
Henry Beaufort, Cardinal (1375-1447)
Thomas Beaufort, Duke of Exeter KG (1377-1426)
Earls of Somerset, Creation (1397)
John Beaufort,(1373-1410), 1st Earl of Somerset, Marquess of Dorset KG
Henry Beaufort, (1401–1418) 2nd Earl of Somerset
John Beaufort, (1404–1444) 3rd Earl of Somerset (became Duke of Somerset in 1443)
Edmund Beaufort, 4th Earl of Somerset (became Duke of Somerset in 1448)
Dukes of Somerset, first Creation (1443)
John Beaufort, (1404–1444) 1st Duke of Somerset
Dukes of Somerset, second Creation (1448)
Edmund Beaufort,(c. 1406–1455) 1st (or 2nd) Duke of Somerset KG
Henry Beaufort, (1436–1464) 2nd (or 3rd) Duke of Somerset , title forfeit
Edmund Beaufort,(c. 1439–1471) 3rd (or 4th) Duke of Somerset KG
Edmund Beaufort, 1st (or 2nd) Duke of Somerset KG (c. 1406–1455)
Son of Henry Beaufort, 2nd (or 3rd) Duke of Somerset (1436–1464) and Joan Hill Charles Somerset, (1460-1526), 1st Earl of Worcester, Lord Herbert. The supporters of a panther and a dragon were derived from the Herberts and continue to this day. see below.
Earls of Worcester, Creation (1514)
Charles Somerset, (c. 1450–1526) 1st Earl of Worcester KG
Henry Somerset, (c. 1495–1548) 2nd Earl of Worcester, 4th Baron Herbert
William Somerset, (d. 1589) 3rd Earl of Worcester, 5th Baron Herbert KG
Edward Somerset, (1553–1628) 4th Earl of Worcester, 6th Baron Herbert KG
Henry Somerset, (1577–1646) 5th Earl of Worcester 7th Baron Herbert (created Marquess of Worcester in 1643)
Marquesses of Worcester (1642)
Henry Somerset, (1577–1646) 1st Marquess of Worcester
Edward Somerset, (1601–1667) 2nd Marquess of Worcester, 8th Baron Herbert
Henry Somerset, (1629–1700) 3rd Marquess of Worcester, 9th Baron Herbert (created Duke of Beaufort in 1682)
Dukes of Beaufort (1682)
Henry Somerset, (1629–1700) 1st Duke of Beaufort KG
Henry Somerset, (1684–1714) 2nd Duke of Beaufort, 10th Baron Herbert KG
Henry Somerset, (1707–1745) 3rd Duke of Beaufort, 11th Baron Herbert
Charles Noel Somerset,(1709–1756) 4th Duke of Beaufort, 12th Baron Herbert
Henry Somerset,(1744–1803) 5th Duke of Beaufort, 13th Baron Herbert, 5th Baron Botetourt KG
Henry Charles Somerset,(1766–1835) 6th Duke of Beaufort, 14th Baron Herbert, 6th Baron Botetourt KG
Henry Somerset,(1792–1853) 7th Duke of Beaufort, 15th Baron Herbert, 7th Baron Botetourt KG
Henry Charles Fitzroy Somerset,(1824–1899) 8th Duke of Beaufort, 16th Baron Herbert, 8th Baron Botetourt KG
Henry Adelbert Wellington Fitzroy Somerset,(1847–1924) 9th Duke of Beaufort, 17th Baron Herbert
Henry Hugh Arthur Somerset, (1900–1984) 10th Duke of Beaufort, 18th Baron Herbert, 10th Baron Botetourt KG
David Robert Somerset,(b. 1928) 11th Duke of Beaufort
Viscounts Somerset (1626) in the Peerage of Ireland (extinct).
Thomas Somerset, (1579–1649) 1st Viscount Somerset, second son of Edward Somerset, 4th Earl of Worcester.
Barons Raglan (1852)
FitzRoy James Henry Somerset,(1788–1855) 1st Baron Raglan, ninth son of Henry Somerset, 5th Duke of Beaufort.
Richard Henry FitzRoy Somerset, (1817–1884), 2nd Baron Raglan
George FitzRoy Henry Somerset, (1857–1921) 3rd Baron Raglan
FitzRoy Richard Somerset, (1885–1964) 4th Baron Raglan