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
On 6 January 1470 he was granted Oyer and terminer over Wales. He probably fought for Edward IV at the resounding victory of the Battle of Losecoat Field, which resulted in the flight of the earl of Warwick and Duke of Clarence to France. On 26 March Devereux was assigned to raise additional troops in Herefordshire to defend against the rebels. On 28 July 1470 he was rewarded with appointment as sheriff of Caernarfonshire and Master-Forester of the Snowdon Hills in North Wales for life.