Charles Sloane Cadogan, 1st Earl Cadogan (29 September 1728 – 3 April 1807) was a British peer and Whig politician.
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Early life
Cadogan was the only son of Charles Cadogan, 2nd Baron Cadogan and his wife, the former Elizabeth Sloane.
His maternal grandparents were Elisabeth (née Langley) Sloane and Sir Hans Sloane, 1st Baronet. Following the 1780 suicide of his cousin, Ambassador Hans Stanley (son of his maternal aunt Sarah Sloane Stanley and George Stanley of Paultons), he inherited Stanley's half of the Sloane estate.
Cadogan matriculated at Magdalen College, Oxford in 1746.
Career
From 1749 to 1754 and again from 1755, Cadogan was returned on the interest of his father-in-law, Lord Montfort, as a Member of Parliament for Cambridge until he inherited his father's title in 1776. He was also appointed Keeper of the Privy Purse to Prince Edward in 1756, Surveyor of the King's Gardens from 1764 to 1769 and Master of the Mint from 1769 to 1784. In 1800, he was elevated in the Peerage as 1st Viscount Chelsea and 1st Earl Cadogan.
In 1774, Cadogan entered into an agreement to loan £20,500 to Sir Robert Cockburn, Sir George Colebrooke, John Stewart and John Nelson to enable the four men to purchase a 320-acre estate in St George Parish, Grenada, together with the enslaved people on the estate.