Question: Who is the paternal grandmother of William Cavendish, 5Th Duke Of Devonshire?
Sentence (from "William Cavendish, 5th Duke of Devonshire"): William Cavendish, 5th Duke of Devonshire, (14 December 1748 – 29 July 1811), was a British nobleman, aristocrat, and politician.
Relevant evidence: No