John Pitt, 2nd Earl of Chatham John Pitt, 2nd Earl of Chatham General John Pitt, 2nd Earl of Chatham, (9 October 1756 – 24 September 1835) was a British soldier and politician. He is best known for commanding the disastrous Walcheren Campaign of 1809. Chatham was the eldest son of William Pitt, 1st Earl of Chatham. He was two and a half years older than his famous brother William Pitt the Younger, the future prime minister. Chatham joined the army as an ensign in the 47th Regiment of Foot on 14 March 1774. He served as aide-de-camp to General Guy Carleton in Quebec, but resigned his
Earl of Rochford affairs. In 1688 he sailed with the prince on his famous expedition. After the Revolution he was naturalized and served the king in the field, being raised to the English peerage in 1695. He was succeeded by his son William, the second Earl, who was killed at the Battle of Almenar, and then by another son, Frederick, the third Earl. Frederick's son, William Henry, the 4th Earl, was a diplomat and a statesman. Having gained experience as envoy at Turin from 1749 to 1753, he was Ambassador to Madrid from 1763 to 1766 and to Paris from 1766 to 1768.