Question: When is William Harrington Leahy's father's birthday?
Sentence (from "William Harrington Leahy"): William Harrington Leahy (October 27, 1904 – May 12, 1986) was a Rear Admiral in the United States Navy, and the son of William D. Leahy, President Franklin D. Roosevelt's military chief of staff during World War II.
Relevant evidence: Yes