Anne Plantagenet, Countess of Eu English countess (1383–1438) Parents Eleanor de Bohun Thomas of Woodstock, 1st Duke of Gloucester Children Thomas Bourchier Henry Bourchier, 1st Earl of Essex Eleanor Bourchier John Bourchier, 1st Baron Berners Humphrey Stafford, 1st Duke of Buckingham Philippa de Stafford William Bourchier, 9th Baron FitzWarin Lady Anne Stafford Siblings Humphrey, 2nd Earl of Buckingham Joan of Woodstock Isabella of Woodstock Philippa Plantagenet Partners Edmund Stafford, 5th Earl of Stafford William Bourchier Thomas Stafford, 3rd Earl of Stafford