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.
Edward IV of England common weal and government of your said realm.." Edward IV of England Edward IV (28 April 1442 – 9 April 1483) was the King of England from 4 March 1461 to 3 October 1470, and again from 11 April 1471 until his death. He was the first Yorkist King of England. The first half of his rule was marred by the violence associated with the Wars of the Roses, but he overcame the Lancastrian challenge to the throne at Tewkesbury in 1471 to reign in peace until his sudden death. Before becoming king, he was Duke of York, Earl of