Question: When is Brien Cokayne, 1St Baron Cullen Of Ashbourne's father's birthday?
Sentence (from "Brien Cokayne, 1st Baron Cullen of Ashbourne"): Cokayne was the fourth son of George Cokayne (originally George Adams), author of "The Complete Peerage", the son of William Adams and his second wife Mary Anne, granddaughter of Charles Cokayne, 5th Viscount Cullen.
Relevant evidence: Yes