Mary de Vere

Mary de Vere was a 16th-century English noblewoman. The daughter of John de Vere, 16th Earl of Oxford, and his second wife Margery Golding, she married Peregrine Bertie, 13th Baron Willoughby de Eresby. The couple lived with their seven children in Grimsthorpe Castle in Lincolnshire. Following Bertie's death, Lady Willoughby married Sir Eustace Hart. She died on about 24 June 1624.