Question: When is William Hay, 15Th Earl Of Kinnoull's father's birthday?
Sentence (from "George Hay, 14th Earl of Kinnoull"): George Harley Hay, 14th Earl of Kinnoull (30 March 1902 – 19 March 1938), styled as Viscount Dupplin from 1903 to 1916, was a Scottish peer.
Relevant evidence: Yes