Question: What is the date of birth of Lord William Campbell's father?
Sentence (from "John Campbell, 4th Duke of Argyll"): General John Campbell, 4th Duke of Argyll KT PC (c. 1693 – 9 November 1770), was a British Army officer and Scottish Whig politician who sat in the House of Commons between 1713 and 1761.
Relevant evidence: Yes