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.
William Devereux, Baron Devereux of Lyonshall
William Devereux, Baron Devereux of Lyonshall (–1314) was an English noble who was an important Marcher Lord as he held Lyonshall Castle controlling a strategically vital approach to the border of Wales in the time of Edward I and Edward II. He was the first of this family officially called to Parliament, and was ancestor to John Devereux, 1st Baron Devereux of Whitchurch Maund, the Devereux Earls of Essex, and the Devereux Viscounts of Hereford. His coat of arms was the same as his father's and described as "argent, fess and three roundels in chief gules" which passed to the descendants of his first wife, the Devereux of Bodenham; or "gules od un fesse d'argent ove turteaus d'argent en le chief" which passed to the descendants of his second wife, the Devereux of Frome.