Question: Who is the paternal grandmother of Lord Robert Manners-Sutton?
Sentence (from "John Manners, 3rd Duke of Rutland"): John Manners, 3rd Duke of Rutland KG PC (21 October 1696 – 29 May 1779) was an English nobleman, the eldest son of John Manners, 2nd Duke of Rutland and Catherine Russell.
Relevant evidence: Yes