Charles Sloane Cadogan 1st Earl Cadogan

29th Sep 1728 - 3rd Apr 1807


Co-heir of his grandfather Hans Sloane, and MP for Cambridge 1749-1754 and 1755-1776.

  1. Only son of Charles Cadogan, 2nd Baron Cadogan. Married (1) 30 May 1747, Frances (died 25 May 1768), daughter of Henry Bromley, 1st Baron Montfort, 6 sons; (2) 10 May 1777, Mary (divorced 1796), daughter of Charles Churchill, 3 sons, 3 daughters. Succeeded his father as 3rd Baron 24 September 1776; inherited Stanley’s half of the Sloane estate, Chelsea 1780 under will of Hans Stanley; created Earl Cadogan 27 December 1800.

  2. In a mortgage document dated 31/03/1774, Charles Sloane Cadogan entered into an agreement with Sir Robert Cockburn, Sir George Colebrooke [q.v.], John Stewart and John Nelson for the loan by Cadogan of £20,500 to enable the four men to purchase from Andrew Davoran [sic] a 320-acre estate [as yet unidentified] in St George's parish Grenada, together with the enslaved people on the estate.


  1. History of Parliament online: entry by Romney R. Sedgwick, accessed 29/05/2016. The long and complex will of the Rt Hon. Charles Sloane, Earl Cadogan proved 22/05/1807 [PROB 11/1460/273] makes no apparent reference to mortgage-property in the West Indies.

  2. University of West Indies, St Augustine, West Indiana [sic] & Special Collections, [accessed 29/05/2016].

We are grateful to Sean Creighton for his help with this entry.

Further Information

(1) Frances Bromley; (2) Mary Churchill
With (1) 6 sons; with (2) 3 daughters, 3 sons
Magdalen, Oxford [1746 ]

Legacies Summary

Physical (1)

Urban Development
Cadogan Estate [Built] 
description →
The characteristic red-brick buildings of the Cadogan estate in Chelsea were developed in the later 19thC but Cadogan Place was earlier. ...

Political (1)

election →
Cambridge Cambridgeshire
1749 - 1754
election →
Cambridge Cambridgeshire
1755 - 1776

Relationships (1)

Mortgagee → Mortgagor