Hester Pitt, Countess of Chatham British noblewoman (1720–1803) Parents Hester Grenville, 1st Countess Temple Richard Grenville Children John Pitt, 2nd Earl of Chatham Hester Stanhope, Viscountess Mahon William Pitt the Younger James Charles Pitt Lady Harriet Pitt Siblings James Grenville George Grenville Richard Grenville-Temple, 2nd Earl Temple Henry Grenville Thomas Grenville Partners William Pitt, 1st Earl of Chatham
