BEAUFORT

JOHN PLANTAGENET DUKE OF LANCASTER, “JOHN OF GAUNT” (1340-1399). The third son of King Edward III, he married (a) Blanche of Lancaster, (b) Constance of Castile (c) Catrine de Roet (Lady Katherine Swynford). By his first wife Blanche, he was the father of King Henry IV of England. By his second wife Constance, he was the father to Queen Catherine of Castile. By his third wife Catrine, he was father to Joan de Beaufort and her three brothers. He was therefore Cecylee’s grandfather.
CATRINE DE ROET (1350-1404), also known as Lady Katherine Swynford. Cecylee’s grandmother, and Countess Joan’s mother. She married (a) Sir Hugh Swynford, and (b) John of Gaunt, third son of King Edward III.
JOHN BEAUFORT, 1ST EARL OF SOMERSET (1373-1410), eldest son of John of Gaunt, Duke of Lancaster and Catrine de Roet, he was married to Margaret Holland, daughter of Thomas Holland, 2nd Earl of Kent. They had six children including John Beaufort, 1st Duke of Somerset and Edmund Beaufort, 2nd Duke of Somerset.
THOMAS BEAUFORT (born circa 1375, died 1426) 1ST DUKE OF EXETER from 1415, he was the second son of John of Gaunt Duke of Lancaster and Catrine de Roet. He was married to Margaret Neville, the daughter of Sir Thomas Neville of Horneby, who bore him one son, Henry Beaufort. However, the child died young.
HENRY, CARDINAL BEAUFORT (born circa 1381, died 1447), youngest son of John of Gaunt and Catrine de Roet. Head of the Court Party until his death.
JOAN DE BEAUFORT, COUNTESS OF WESTMORLAND (born circa 1377, died 1440). Cecylee’s mother, and daughter of John of Gaunt and his third wife Catrine de Roet. Married (a) Robert Ferrers, 5th Baron Boteler of Wem (died circa 1395), and (b) Ralph de Neville, 1st Earl of Westmorland. (See Neville).
LADY ELIZABETH DE FERRERS “BESS”, (born 1393). Cecylee’s half-sister, elder daughter of Joan de Beaufort and Robert Ferrers, married to John de Greystoke, 4th Baron Greystoke.
LADY MARY DE FERRERS (born 1394). Cecylee’s half-sister, younger daughter of Joan de Beaufort and Robert Ferrers, married to her stepbrother Sir Ralph Neville The Older , a younger son of Ralph Neville, 1st Earl of Westmorland and Margaret Stafford. (See Neville).
JOHN BEAUFORT, 1ST DUKE OF SOMERSET (1403-1444), second son of John Beaufort 1st Earl of Somerset and Margaret Holland. He was married to Margaret Beauchamp of Bletsoe, and had one child, Lady Margaret Beaufort.
LADY MARGARET BEAUFORT (1443-1509) daughter of John Beaufort, 1st Duke of Somerset and Margaret Beauchamp of Bletsoe. She was married to: (a) John de la Pole, 2nd Duke of Suffolk in 1450, when she was seven years old; (the marriage was dissolved in 1453), (b) Edmund Tudor, Earl of Richmond in 1455, when she was twelve years old; (c) Sir Henry Stafford, younger son of Humphrey Stafford, 1st Duke of Buckingham and Anne Neville in 1462, when she was nineteen years old; (d) Thomas, Earl Stanley in 1472, when she was twenty-nine. Her only child was Henry Tudor, Earl of Richmond (born when she was thirteen years old). He became King Henry VII after the Battle of Bosworth. Lady Margaret was distantly related to Cecylee via her mother, Joan de Beaufort. She seems not to have had children after the birth of her son, and died only two months after his death, in June 1509.
EDMUND BEAUFORT, 2ND DUKE OF SOMERSET (1406-1455), fourth son of John Beaufort, 1st Earl of Somerset and Margaret Holland. In 1436, he married in secret Lady Eleanor de Ros, née Beauchamp, daughter of Richard de Beauchamp, 13th Earl of Warwick and his first wife Elizabeth de Berkeley. This unlicensed marriage was pardoned in 1438, and Edmund and Eleanor had ten children, including Henry Beaufort, 3rd Duke of Somerset. Edmund Beaufort succeeded Suffolk as head of the Court Party. He was possibly Queen Marguerite’s lover, and father of her son Édouard. Killed at the first Battle of St. Albans.
HENRY BEAUFORT (1436-1464), 3RD DUKE OF SOMERSET from 1455, son of Edmund Beaufort, 2nd Duke of Somerset and Eleanor Beauchamp. He was the principal Lancastrian commander at the Lancastrian victories of the Battle of Wakefield (December 1460), and the Second Battle of St. Albans (February 1461). He was beheaded after the Battle of Hexham in May, 1464. He had no heirs.

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