Question: What is the date of death of Harriet Bury, Countess Of Charleville's mother?
Sentence (from "Harriet Bury, Countess of Charleville"): She married Charles Bury, MP, Viscount Tullamore, on 26 February 1821, in Florence, Italy, prior to his inheriting his father's earldom of Charleville in the Irish peerage.
Relevant evidence: No