Question: Who is the father-in-law of Helen Herron Taft?
Sentence (from "Helen Herron Taft"): Helen Louise "Nellie" Taft ("née" Herron; June 2, 1861 – May 22, 1943) was the wife of William Howard Taft and the First Lady of the United States from 1909 to 1913.
Relevant evidence: Yes