Joan de Vere Peerage person ID=3578 Parents Robert de Vere, 5th Earl of Oxford Alice de Sandford Children John de Warenne, 7th Earl of Surrey Alice de Warenne, Countess of Arundel Siblings Philip de Vere Alfonso de Vere John de Vere Robert de Vere, 6th Earl of Oxford Hawise de Vere Hugh de Vere, 1st Baron Vere Gilbert de Vere Partners William de Warenne