Question: What is the date of death of Ulysses S. Grant Iv's father?
Sentence (from "Ulysses S. Grant IV"): Ulysses S. Grant IV (May 23, 1893 – March 11, 1977) was the son of Ulysses S. Grant, Jr. and the grandson of General of the Army and President of the United States Ulysses S. Grant and United States Senator Jerome B. Chaffee of Colorado.
Relevant evidence: Yes