Question: Who is Reginald De Dunstanville, 1St Earl Of Cornwall's paternal grandfather?
Sentence (from "Reginald de Dunstanville, 1st Earl of Cornwall"): Reginald de Dunstanville (c. 1110 – 1 July 1175) ("alias" Reginald FitzRoy, Reginald FitzHenry, Rainald, etc.
Relevant evidence: No