Question: Who is William Richard Chetwynd's paternal grandmother?
Sentence (from "William Richard Chetwynd"): The family estates at Ingestre passed on his father's death to his sister Catherine and then to her son William Talbot, 1st Earl Talbot, while his father's title as Viscount passed to William's uncle and namesake William Richard Chetwynd, 3rd Viscount Chetwynd.
Relevant evidence: No