Lieutenant of the Tower of London in 1424 during the reign of Henry VI. During the reign of Edward IV, Richard Haute (died 8 April 1487) was Lieutenant from 1471 to 1473. John de Vere, 13th Earl of Oxford was Constable in the reign of Henry VII, at which time Sir John Digby was his Lieutenant. According to some sources, in the reign of Henry VIII Sir Thomas Lovell (died 25 May 1524) served as Lieutenant from Michaelmas 1512; however according to other sources, he was Constable of the Tower. Among the prisoners of state in Lovell's custody was the Pretender to the Crown, Lambert Simnel.
Hugh Courtenay (d.1471) of Sir Henry Willington of Umberleigh. He married Margaret Carminow, daughter and co-heiress of Thomas Carminow, by Joan Hill, the daughter of Robert Hill. They had the following issue: Thus the Courtenay estates were divided into four parts. On the death of Edward Courtenay, Earl of Devon, in 1556, the actual heirs to his estates were the following descendants of the four sisters above: Hugh Courtenay (d.1471) Sir Hugh Courtenay (c.1427 – 6 May 1471) of Boconnoc, Cornwall, was MP for Cornwall in 1446 and 1449. He was beheaded after the Battle of Tewkesbury in 1471. He was the second