Question: What is the date of death of John Aspinwall Roosevelt's mother?
Sentence (from "John Aspinwall Roosevelt"): John Aspinwall Roosevelt (March 13, 1916 – April 27, 1981) was an American businessman and the sixth and last child of U.S. President Franklin D. Roosevelt, and his wife, Eleanor Roosevelt, and the only Roosevelt son who never sought political office.
Relevant evidence: Yes