Question: What is the date of death of M.G.M. Pryor's father?
Sentence (from "M.G.M. Pryor"): They had four children: Emily Pryor (1942–2008), William Marlborough Pryor (born 1945), Lucy (known professionally as "Lucy Raverat", born 1948) and Amy Eleanor (born 1952, known as Nelly; she married her 3rd cousin, the film and television director Philip Trevelyan).
Relevant evidence: No