What is the name of XXX father?
Humphrey de Bohun, 7th Earl of Hereford
Humphrey de Bohun, 7th Earl of Hereford, 6th Earl of Essex, 2nd Earl of Northampton, KG (25 March 1341 -- 16 January 1373) was the son of William de Bohun, 1st Earl of Northampton and Elizabeth de Badlesmere, and grandson of Humphrey de Bohun, 4th Earl of Hereford by Elizabeth of Rhuddlan, daughter of King Edward I. He became heir to the Earldom of Hereford after the death of his childless uncle Humphrey de Bohun, 6th Earl of Hereford.
William de Bohun, 1st Earl of Northampton