High Quality Content by WIKIPEDIA articles! Ambrose Dudley, 3rd Earl of Warwick, KG (c. 1530 – 21 February 1590) was an English nobleman and general, and an elder brother of Queen Elizabeth I`s favourite, Robert Dudley, Earl of Leicester. Their father was John Dudley, Duke of Northumberland, who led the English government from 1550–1553 under Edward VI and unsuccessfully tried to establish Lady Jane Grey on the English throne after the King`s death in July 1553. For his participation in this venture Ambrose Dudley was imprisoned in the Tower of London and condemned to death. Reprieved, his rehabilitation came after he fought for Philip II of Spain (then England`s king consort) in the Battle of St. Quentin.