John de Vere, 13th Earl of Oxford English military commander during the English Wars of the Roses (1442–1513) Parents Elizabeth Howard John de Vere, 12th Earl of Oxford Children Siblings Sir George de Vere Mary de Vere Sir Thomas de Vere Sir Richard de Vere Aubrey de Vere Elizabeth de Vere Joane de Vere Isobel de Vere Partners Lady Margaret Neville Elizabeth Scrope