Question: Who is John Vaughan, 3Rd Earl Of Lisburne's paternal grandfather?
Sentence (from "Wilmot Vaughan, 1st Earl of Lisburne"): He was elected to the House of Commons for Cardiganshire in 1755, a seat he held until 1761 and again from 1768 to 1791 and also represented Berwick-upon-Tweed between 1765 and 1768.
Relevant evidence: No