Question: Who was the grandfather of the man who passed The Forest Reserve Act of 1891?
Sentence (from "Benjamin Harrison"): Benjamin Harrison (August 20, 1833 – March 13, 1901) was an American politician and lawyer who served as the 23rd President of the United States from 1889 to 1893; he was the grandson of the ninth president, William Henry Harrison, creating the only grandfather-grandson duo to hold the office.
Relevant evidence: Yes