Question: When did William Proby, 5Th Earl Of Carysfort's father die?
Sentence (from "William Proby, 5th Earl of Carysfort"): William Proby, 5th Earl of Carysfort KP (18 January 1836 – 4 September 1909), known as William Proby until 1872, was a British peer.
Relevant evidence: No