Question: When is William Hay, 15Th Earl Of Kinnoull's father's birthday?
Sentence (from "William Hay, 15th Earl of Kinnoull"): Arthur William George Patrick Hay, 15th Earl of Kinnoull (26 May 1935 – 7 June 2013), styled as Viscount Dupplin until age 3, was a hereditary peer, surveyor, farmer, and member of the House of Lords.
Relevant evidence: Yes