Question: Who is Thomas Pelham, 1St Baron Pelham's paternal grandfather?
Sentence (from "Sir John Shelley, 4th Baronet"): Sir John Shelley 4th Baronet( 5 March 1692 – 1771) of Mitchelgrove, Sussex, was a British Whig politician who sat in the House of Commons between 1727 and 1747.
Relevant evidence: No