John de Vere, 13th Earl of Oxford John de Vere, 13th Earl of Oxford, Chamberlain and Constable of England, Admiral of England, Ireland and Aquitaine, KG, KB (14th GGF) 1442–1513 BIRTH 8 SEPTEMBER 1442 DEATH 10 MARCH 1513 • Castle Hedingham, Essex, England 14th great-grandfather From Wikipedia, the free encyclopedia John de Vere 13th Earl of Oxford Tenure 26 February …