Charles Spencer, 3rd Duke of Marlborough

Lieutenant-General His Grace
The Duke of Marlborough
KG PC
Lieutenant-General His Grace The Duke of Marlborough KG PC
	Portrait by Joshua Reynolds c. 1759
Lord Privy Seal
	In office; 8 June 1755 – 22 December 1755
Monarch	George II
Prime Minister	The Duke of Newcastle
Preceded by	The Earl Gower
Succeeded by	The Earl Gower
Lord Steward of the Household
	In office; 1749–1755
Monarch	George II
Prime Minister	Henry Pelham; The Duke of Newcastle
Preceded by	The Duke of Devonshire
Succeeded by	The Duke of Rutland
Personal details
Born	22 November 1706
Died	20 October 1758 (aged 51)
Spouse	Elizabeth Trevor
Children	Lady Diana Beauclerk; Elizabeth Herbert, Countess of Pembroke and Montgomery; George Spencer, 4th Duke of Marlborough; Lord Charles Spencer; Lord Robert Spencer;
Parents	Charles Spencer, 3rd Earl of Sunderland; Lady Anne Churchill;
Military service
Allegiance	Great Britain
Branch/service	British Army
Battles/wars	Seven Years' War Raid on St Malo; ;

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Charles Spencer, 3rd Duke of Marlborough, KG, PC (22 November 1706 – 20 October 1758), styled The Hon. Charles Spencer between 1706 and 1729 and the Earl of Sunderland between 1729 and 1733, was a British Army officer and politician who served as Lord Privy Seal in 1755. He led the British forces involved in the raid on St Malo in 1758.