Eleanor Bourchier Peerage person ID=107471 (1417–1474) Parents William Bourchier Anne Plantagenet, Countess of Eu Children John de Mowbray, 4th Duke of Norfolk Siblings Henry Bourchier, 1st Earl of Essex William Bourchier, 9th Baron FitzWarin John Bourchier, 1st Baron Berners Thomas Bourchier Humphrey Stafford, 1st Duke of Buckingham Philippa de Stafford Lady Anne Stafford Partners John de Mowbray, 3rd Duke of Norfolk