Walter Devereux, 1st Earl of Essex
Walter Devereux was the eldest son of Sir Richard Devereux, who was created a Knight of the Bath on 20 February 1547 and died that same year, in the lifetime of his father, The 1st Viscount Hereford. Walter Devereux's mother was Lady Dorothy Hastings, daughter of The 1st Earl of Huntingdon and Anne Stafford, said to have been a mistress of Henry VIII. Through his paternal ancestry he was related to the Bourchier family, to which previous Earls of Essex had belonged: John Devereux, son of Walter Devereux who died at the Battle of Bosworth, married Cecily Bourchier, sister of Henry Bourchier, 2nd Earl of Essex.
Walter Devereux, 7th Baron Ferrers of Chartley
In October 1462 Margaret of Anjou landed and raised a Lancastrian rebellion in northern England. Devereux accompanied King Edward on an expedition to the north in November 1462, which put the rebellion down by January 1463. Walter attended Parliament on 29 April 1463 where he was rewarded with an exemption from the crown's Act of Resumption revoking various gifts and grants.