Elizabeth, daughter of the 7th Earl of Oxford and widow of Hugh de Courtenay, son of the 2nd Earl of Devon of the Feb 1334/5 creation. [Burke's Peerage]
---------------------
Elizabeth, d. Aug or Sep 1375, daughter of John de Vere, 7th Earl of Oxford, and widow of Hugh de Courtenay, son & heir of Hugh, 2nd Earl of Devon. She m. (3) bef. 18 Jan 1368/9, Sir William de Cosynton. [Magna Charta Sureties]