Question: What is the cause of death of Katherine Mortimer, Countess Of Warwick's father?
Sentence (from "Katherine Mortimer, Countess of Warwick"): Katherine Mortimer, Countess of Warwick (1314 – 4 August 1369) was the wife of Thomas de Beauchamp, 11th Earl of Warwick KG, an English peer, and military commander during the Hundred Years War.
Relevant evidence: No