Question: Who is John De Mowbray, 4Th Duke Of Norfolk's child-in-law?
Sentence (from "John de Mowbray, 4th Duke of Norfolk"): John de Mowbray, 4th Duke of Norfolk, (18 October 144414 January 1476), known as 1st Earl of Surrey between 1451 and 1461, was the only son of John de Mowbray, 3rd Duke of Norfolk and Eleanor Bourchier.
Relevant evidence: No