Question: When is Harriet Pelham-Holles, Duchess Of Newcastle-Upon-Tyne's mother's birthday?
Sentence (from "Henrietta Godolphin, 2nd Duchess of Marlborough"): Henrietta Godolphin, 2nd Duchess of Marlborough, Princess of Mindelheim, Princess of Mellenburg, Princess of the Holy Roman Empire, Countess of Godolphin (19 July 1681 – 24 October 1733) was the daughter of John Churchill, 1st Duke of Marlborough, general of the army, and Sarah Jennings, Duchess of Marlborough, close friend and business manager of Queen Anne.
Relevant evidence: Yes