Anne Grenville, Baroness Grenville (née Pitt, September 1772 – June 1864) was an English noblewoman and author, and a member of the Pitt family, which at the time dominated British politics. Biography. Anne Pitt was the daughter of Thomas Pitt, 1st Baron Camelford and his wife, Anne Wilkinson. Her granduncle was William Pitt the Elder.
William Pitt, 1st Earl of Chatham, PC, FRS (15 November 1708 – 11 May 1778) was a British statesman of the Whig group who served as Prime Minister of Great Britain in the middle of the 18th century. Historians call him Chatham or William Pitt the Elder, to distinguish him from his son, William Pitt the Younger, who was