Question: What is the date of birth of George Phipps, 2Nd Marquess Of Normanby's father?
Sentence (from "Oswald Phipps, 4th Marquess of Normanby"): Oswald Constantine John Phipps, 4th Marquess of Normanby( 29 July 1912 – 30 January 1994) was a British peer and philanthropist for blind people.
Relevant evidence: No