Question: What is the date of birth of Anne Wellesley, Countess Of Mornington's husband?
Sentence (from "Anne Wellesley, Countess of Mornington"): She was the wife of Garret Wesley, 1st Earl of Mornington and mother of the victor of the Battle of Waterloo, Arthur Wellesley, 1st Duke of Wellington.
Relevant evidence: Yes