Question: Who is Georgiana Howard, Countess Of Carlisle's paternal grandfather?
Sentence (from "William Cavendish, 5th Duke of Devonshire"): He was the eldest son of William Cavendish, 4th Duke of Devonshire, by his wife, the heiress Lady Charlotte Boyle, "suo jure" Baroness Clifford, who brought in considerable money and estates to the Cavendish family.
Relevant evidence: Yes