Edmund Beaufort, 2nd Duke of Somerset, 4th Earl of Somerset, 1st Earl of Dorset, 1st Marquess of Dorset styled 1st Count of Mortain, [a] KG (1406 – 22 May 1455), was an English nobleman and an important figure during the Hundred Years' War. His rivalry with Richard, Duke of York, was a leading cause of the Wars of the Roses .
May 18, 2023 · Edmund Beaufort, 2nd duke of Somerset, also called (1444–48) 4th earl of Somerset, in full Edmund Beaufort, 2nd duke of Somerset, 1st earl of Dorset, (born c. 1406—died May 22, 1455, St. Albans, Hertfordshire, England), English nobleman and Lancastrian leader whose quarrel with Richard, duke of York, helped precipitate the Wars of the Roses (1455–85) between the houses of Lancaster and ...
- The Editors of Encyclopaedia Britannica
Apr 22, 2023 · About Edmund Beaufort, 2nd Duke of Somerset. "Edmund Beaufort, 2nd Duke of Somerset, KG (1406 – 22 May 1455), sometimes styled 1st Duke of Somerset, was an English nobleman and an important figure in the Wars of the Roses and in the Hundred Years' War. He also succeeded in the title of 4th Earl of Somerset and was created 1st Earl of Dorset ...
- Eleanor de Beauchamp, Lady Rokesley
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 ...
- Sebastian Seymour, Baron Seymour
- John Beaufort, 3rd Earl of Somerset
- Baron Seymour
- John Seymour, 19th Duke of Somerset
Brief Life History of Edmund. When Edmund Beaufort 2nd Duke of Somerset was born in 1406, in Barnet, Hertfordshire, England, his father, John de Beaufort 1st Earl of Somerset, was 33 and his mother, Margaret de Holland , Duchess of Clarence, was 22. He married Eleanor Beauchamp in 1433, in King's Stanley, Gloucestershire, England, United Kingdom.
- Eleanor Beauchamp
Edmund Beaufort, born about 1438, was the second son of Edmund Beaufort, 2nd Duke of Somerset by his wife Eleanor de Beauchamp, a daughter of Richard Beauchamp, 13th Earl of Warwick and widow of Thomas de Roos, 14th Baron Roos of Hamlake.  His elder brother was Henry Beaufort, 3rd Duke of Somerset (26 January 1436 – 15 May 1464).
Edmund Beaufort Somerset, 2d duke of, d. 1455, English statesman and general. He fought in France in the Hundred Years War, receiving his first command in 1431, recapturing Harfleur in 1440, and relieving Calais in 1442. For this last feat he was made (1442) earl of Dorset. In 1444 he succeeded his brother John as earl of Somerset. He became ...