Question: What is the date of death of Henry Fitzgerald-De Ros, 21St Baron De Ros's father?
Sentence (from "Mary Dawson, Countess of Dartrey"): Mary Frances Dawson, Countess of Dartrey, 24th Baroness de Ros of Helmsley(" née FitzGerald- de Ros")( 31 July 1854 – 4 May 1939) was a British peer.
Relevant evidence: No