Question: What is the place of birth of Gilbert Marshal, 4Th Earl Of Pembroke's mother?
Sentence (from "Gilbert Marshal, 4th Earl of Pembroke"): Gilbert Marshal, 4th Earl of Pembroke (119427 June 1241) was the third son of William Marshal, 1st Earl of Pembroke and Isabel de Clare, 4th Countess of Pembroke, the daughter of Richard de Clare.
Relevant evidence: Yes