Question: What is the date of death of Maria Molyneux, Countess Of Sefton's husband?
Sentence (from "Maria Molyneux, Countess of Sefton"): The earl was a friend of the Prince Regent (the future King George IV) and it was through the Seftons that Maria Fitzherbert, who was related to the earl, first met the prince in 1784.
Relevant evidence: No