William Cadogan, 1st Earl Cadogan, was born 1672 in Liscartan, County Meath, Ireland to Henry Cadogan (1642-1715) and Bridget Waller (bef1656-1721) and died 17 July 1726 Kensington Gravel Pits, Kensington, London, England, United Kingdom of unspecified causes. He married Margaretta Cecilia Munter (1675-1749) April 1704 in The Hague, Netherlands.
|Offspring of William Cadogan, 1st Earl Cadogan and Margaretta Cecilia Munter (1675-1749)|
|Sarah Cadogan (1706-1751)||18 September 1705 The Hague, South Holland, Netherlands||25 August 1751||Charles Lennox, 2nd Duke of Richmond (1701-1750)|
|Margaret Cadogan (1707-)|