Question: Who is the paternal grandfather of Henry De Burgh, 1St Marquess Of Clanricarde?
Sentence (from "John Smith de Burgh, 11th Earl of Clanricarde"): John Smith de Burgh, 11th Earl of Clanricarde, (11 November 1720 – 21 April 1782) was an Irish peer.
Relevant evidence: No