Question: When is Charles Gardiner, 1St Earl Of Blessington's wife's birthday?
Sentence (from "Charles Gardiner, 1st Earl of Blessington"): Charles John Gardiner, 1st Earl of Blessington (1782 – 25 May 1829) was an Irish earl best known for his marriage to Margaret Farmer, née Power, whom he married at St Mary's, Bryanston Square, London, on 16 February 1818 (only four months after her first husband's death).
Relevant evidence: No