Charles Cadogan, 1st Earl Cadogan

Charles Sloane Cadogan, 1st Earl Cadogan (29 September 1728 – 3 April 1807) was a British peer and Whig politician.

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.

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. In 1800, he was elevated in the Peerage as 1st Viscount Chelsea and 1st Earl Cadogan. Lord Cadogan also served as Sloane Trustee of the British Museum from 1779 until his death in 1807.

Personal life On 30 May 1747, Cadogan married Frances Bromley, a daughter of Henry Bromley, 1st Baron Montfort and the former Frances Wyndham (only daughter of Thomas Wyndham of Trent). Together, they had six sons: Thomas Cadogan (1752–1782), a naval officer lost at sea aboard HMS Glorieux.

Cadogan's first wife died in 1768, and on 10 May 1777, he married Mary Churchill, a daughter of Col. Charles Churchill and Lady Mary Walpole (a daughter of former Prime Minister Robert Walpole). Together, Mary and Charles were the parents of three sons and three daughters before they divorced in 1796:

Lord Cadogan died at Santon Downham, Suffolk on 3 April 1807,