Joan Beaufort, Countess of Westmorland

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Joan Beaufort
Countess of Westmorland
Image of Joan Beaufort in the Neville Book of Hours
Born	c. 1377
Died	13 November 1440 (aged 62–63) Howden, Yorkshire, Kingdom of England
Buried	Lincoln Cathedral, Lincolnshire
Family	Beaufort
Spouse(s)	Robert Ferrers, 5th Baron Boteler of Wem ​ ​ (m. 1391; died 1396)​ Ralph de Neville, 1st Earl of Westmorland ​ ​ (m. 1396; died 1425)​
Issue more...	Katherine Mowbray, Duchess of Norfolk Eleanor Percy, Countess of Northumberland Richard Neville, 5th Earl of Salisbury Robert Neville, Bishop of Durham William Neville, 1st Earl of Kent George Neville, 1st Baron Latimer Anne Stafford, Duchess of Buckingham Edward Neville, 3rd Baron Bergavenny Cecily, Duchess of York
Father	John of Gaunt
Mother	Katherine Swynford

Joan Beaufort (c. 1377 – 13 November 1440) was the youngest of the four legitimised children and only daughter of John of Gaunt, 1st Duke of Lancaster (third surviving son of King Edward III), by his mistress, later wife, Katherine de Roet.^[1] She married Ralph de Neville, 1st Earl of Westmorland and in her widowhood became a powerful landowner in the north of England.