Question: Who is Henry Cavendish, Earl Of Ogle's paternal grandmother?
Sentence (from "Henry Cavendish, Earl of Ogle"): Henry Cavendish, Earl of Ogle (1659 – 1 November 1680), was the only son and heir of Henry Cavendish, 2nd Duke of Newcastle, but died before his father at the age of 21; the Dukedom became extinct on his father's death, but was revived for Henry's brother-in-law:
Relevant evidence: Yes