Question: What is the date of death of Margaret Clifford, Countess Of Cumberland's father?
Sentence (from "Margaret Clifford, Countess of Cumberland"): Her sister, Anne Russell, Countess of Warwick, was married to Ambrose Dudley, brother of Robert Dudley, the Earl of Leicester, and Anne too was a great literary patron and a close friend to Queen Elizabeth I, attending her on her death bed.
Relevant evidence: No