Earl of Chatham Earl of Chatham Earl of Chatham, in the County of Kent, was a title in the Peerage of Great Britain. It was created in 1766 for William Pitt the Elder on his appointment as Lord Privy Seal, along with the subsidiary title Viscount Pitt, of Burton Pynsent in the County of Somerset, also in the Peerage of Great Britain. The first Earl's wife, the former Lady Hester Grenville, daughter of the 1st Countess Temple, had earlier been created Baroness Chatham, of Chatham in the County of Kent, also in the Peerage of Great Britain, in 1761, as at that stage
Earl of Godolphin Marlborough. Their only son, William Godolphin, Marquess of Blandford, was childless and predeceased both his parents. In 1735 the 2nd Earl was created Baron Godolphin, of Helston, in the Peerage of Great Britain, with remainder, in default of male issue of his own, to the male issue of his deceased uncle Henry Godolphin, Dean of St Paul's. When the 2nd Earl died in 1766, the Godolphin earldom, the Rialton viscounty, and the Godolphin barony of 1684 became extinct; but the Godolphin barony of 1735 devolved upon his cousin Francis Godolphin, 2nd Baron Godolphin. The ancestral seat of the Godolphin family