Joan Beaufort, Countess of Westmorland
Member of the House of Beaufort
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Joan Beaufort was the youngest of the four legitimised children and only daughter of John of Gaunt, 1st Duke of Lancaster, by his mistress, later wife, Katherine de Roet. She married Ralph de Neville, 1st Earl of Westmorland and in her widowhood... Wikipedia
Born: 1377, Château de Beaufort, Goudet, France
Died: November 13, 1440 (age 63 years), Howden, United Kingdom
Grandchildren: Edward IV, Richard III, Richard Neville, and more
Great grandchildren: Anne Neville, Elizabeth of York, Isabel Neville, Duchess of Clarence, and more
Spouse: Ralph Neville, 1st Earl of Westmorland (m. 1397) and Robert Ferrers of Wem (m. 1391–1396)
Parents: John of Gaunt and Katherine Swynford