Question: What is the date of death of Charles Maynard, 1St Viscount Maynard's father?
Sentence (from "Charles Maynard, 1st Viscount Maynard"): Maynard was the son of Banastre Maynard, 3rd Baron Maynard, and Lady Elizabeth de Grey, daughter of Henry Grey, 10th Earl of Kent.
Relevant evidence: Yes