Question: When is Norman Grosvenor's father's birthday?
Sentence (from "Robert Grosvenor, 1st Baron Ebury"): Robert Grosvenor, 1st Baron Ebury PC (24 April 1801 – 18 November 1893), styled Lord Robert Grosvenor from 1831 to 1857, was a British courtier and Whig politician.
Relevant evidence: Yes