Question: Who is the father-in-law of Alice Cornelia Thaw?
Sentence (from "Alice Cornelia Thaw"): Alice Cornelia Thaw (January 2, 1880 – May 8, 1955) was an American philanthropist and, upon her marriage to George Seymour, Earl of Yarmouth (who later succeeded as 7th Marquess of Hertford), the Countess of Yarmouth.
Relevant evidence: Yes