Richard de Vere, 11th Earl of Oxford was born circa 1385. He was the son of Aubrey de Vere, 10th Earl of Oxford and Alice FitzWalter. He married Alice de Holand, daughter of John de Holand, 1st Duke of Exeter and Elizabeth Plantagenet. He married Alice Sergeaux, daughter of Sir Richard Sergeaux and Philippe FitzAlan, circa 1405. He died on 15 February 1417. Richard de Vere, 11th Earl of Oxford gained the title of 11th Earl of Oxford.
Children of Richard de Vere, 11th Earl of Oxford and Alice Sergeaux John de Vere, 12th Earl of Oxford+ b. 23 Apr 1408, d. c 1461 Sir Robert de Vere+ b. b 1417