 William Courtenay, 1st Earl of Devon

William Courtenay, 1st Earl of Devon (1475 – 9 June 1511), feudal baron of Okehampton and feudal baron of Plympton, was a member of the leading noble family of Devon.His principal seat was Tiverton Castle, Devon with further residences at Okehampton Castle and Colcombe Castle, also in that county.