Question: What nationality is Sara Wilford's mother?
Sentence (from "Betsey Cushing Roosevelt Whitney"): Betsey Maria Cushing Whitney (May 18, 1908 – March 25, 1998) was an American philanthropist, a former daughter-in-law of President Franklin D. Roosevelt, and later wife of U.S. Ambassador to the Court of St. James's, John Hay Whitney.
Relevant evidence: Yes