Question: When is Edmund Stafford, 5Th Earl Of Stafford's mother's birthday?
Sentence (from "Edmund Stafford, 5th Earl of Stafford"): Edmund Stafford, 5th Earl of Stafford and 1st Baron Audley, KB, KG (2 March 1377 – 21 July 1403) was the son of Hugh de Stafford, 2nd Earl of Stafford and Philippa de Beauchamp.
Relevant evidence: Yes