Edmund BEAUFORT 1st Duke of Somerset

  General Notes:

Edmund Beaufort, 1st Duke of Somerset was born circa 1406.2 He was the son of John de Beaufort, 1st Earl of Somerset and Lady Margaret de Holand.1 He married Lady Eleanor Beauchamp, daughter of Richard Beauchamp, 13th Earl of Warwick and Elizabeth de Berkeley, between 1431 and 1435 in a unlicensed marriage, although this was pardoned on 7 March 1438.2 He died on 22 May 1455 at St. Albans, Hertfordshire, England, killed in action.2 He was buried at St. Albans Abbey, St. Albans, Hertfordshire, England.2
He gained the title of Count of Mortain on 22 April 1427.2 He was invested as a Knight, Order of the Garter (K.G.) before 5 May 1436.2 He was created 1st Earl of Dorset [England] on 28 August 1442.2 He was created 1st Marquess of Dorset [England] on 24 June 1443.2 He succeeded to the title of 4th Earl of Somerset on 27 May 1444.2 He was created 1st Duke of Somerset [England] on 31 March 1448.2 He held the office of Constable of England in 1450.1 He fought in the First Battle of St. Albans on 22 May 1455, on the Lancastrian side.2 He has an extensive biographical entry in the Dictionary of National Biography.3

Edmund married Lady Eleanor BEAUCHAMP, daughter of Richard BEAUCHAMP 13th Earl of Warwick and Elizabeth DE BERKELEY, between 1431 and 1435. (Lady Eleanor BEAUCHAMP was born in 1407-1408 in Wedgenock, Warwickshire, England and died between 4 Mar 1466 and 8 Mar 1468 in Baynard's Castle, London, England.)