Question: Who is George De Cantilupe's maternal grandfather?
Sentence (from "George de Cantilupe"): George de Cantilupe (1252–1273) (anciently "Cantelow, Cantelou, Canteloupe, etc", Latinised to "de Cantilupo") was Lord of Abergavenny from the Marches of South Wales under Edward
Relevant evidence: No