Question: When did John Manners (English Politician)'s wife die?
Sentence (from "Louisa Tollemache, 7th Countess of Dysart"): Louisa Manners Tollemache, 7th Countess of Dysart (2 July 1745 – 22 September 1840) was a peer in the Scottish peerage in a burgeoning family.
Relevant evidence: Yes