Margaret Beauchamp of Bletso
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Margaret Beauchamp of Bletso (1 January 1400 – August 8, 1482), was the daughter of John, Baron Beauchamp of Bletso. She was the grandmother of King Henry VII of England.
[edit] Marriages
She was married three times. By her first husband, Sir Oliver St John, she had two sons and four daughters, all of whom survived into adulthood. Following Sir Oliver's death in 1437, she married John Beaufort, 1st Duke of Somerset. They had one daughter, Lady Margaret Beaufort, who married Edmund Tudor, and became the mother of King Henry VII. After Somerset's death, she married Sir Lionel de Welles (born 1406) on 14 April 1447, by whom she had a further two children.