Question: When was Charlotte Cavendish, Marchioness Of Hartington's mother born?
Sentence (from "Dorothy Boyle, Countess of Burlington"): Dorothy Boyle, Countess of Burlington and Countess of Cork (née Savile; 13 September 1699 – 21 September 1758) was a British noble and court official, as well as a caricaturist and portrait painter.
Relevant evidence: Yes