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 Northumberland Earl of Northumberland The title of Earl of Northumberland was created several times in the Peerage of England and of Great Britain, succeeding the title Earl of Northumbria. Its most famous holders were the House of Percy ("alias" Perci), who were the most powerful noble family in Northern England for much of the Middle Ages. The heirs of the Percys, via a female line, were ultimately made Duke of Northumberland in 1766. <section begin=Percy Family/> William de Percy, 1st Baron Percy, who came from the village of Percy in Normandy, was in the train of William I. After arriving in