Question: What is the date of birth of John Bourchier, 1St Baron Berners's mother?
Sentence (from "Thomas Knyvett, 4th Baron Berners"): Thomas Knyvett was the first son of John Knyvett( 1510 – 1561) and Agnes, daughter of Sir John Harcourt of Stanton Harcourt, Oxfordshire.
Relevant evidence: No