Question: What is the date of death of Lady Dorothy Nevill's father?
Sentence (from "Horatio Walpole, 3rd Earl of Orford"): Horatio Walpole, 3rd Earl of Orford DL (14 June 1783 – 29 December 1858), styled Lord Walpole between 1809 and 1822, was a British peer and politician.
Relevant evidence: Yes