Question: What is the date of death of John Bowes, 10Th Earl Of Strathmore And Kinghorne's mother?
Sentence (from "John Bowes, 10th Earl of Strathmore and Kinghorne"): He was the eldest son of John Bowes, 9th Earl of Strathmore and Kinghorne and Mary Bowes, Countess of Strathmore and Kinghorne.
Relevant evidence: Yes