Question: When is Lord George Manners's mother's birthday?
Sentence (from "Lord George Manners"): Lord George John Manners (London, 22 June 1820 – 8 September 1874, Cheveley) was a British nobleman and Conservative Party politician who represented Cambridgeshire for over two decades, from 1847 to 1857 and from 1863 to 1874, when he died.
Relevant evidence: No