Question: What is the date of death of Harriet Pelham-Holles, Duchess Of Newcastle-Upon-Tyne's husband?
Sentence (from "Thomas Pelham-Holles, 1st Duke of Newcastle"): Thomas Pelham-Holles, 1st Duke of Newcastle upon Tyne and 1st Duke of Newcastle-under-Lyme, (21 July 1693 – 17 November 1768) was a British Whig statesman, whose official life extended throughout the Whig supremacy of the 18th century.
Relevant evidence: Yes