Sophia Bentinck was born 4 April 1701 to Hans Willem Bentinck, 1st Earl of Portland (1649-1709) and Jane Martha Temple (1672-1751) and died 5 June 1741 of unspecified causes. She married Henry Grey, 1st Duke of Kent (1671-1740) 24 March 1728 .
|Offspring of Sophia Bentinck and Henry Grey, 1st Duke of Kent (1671-1740)|
|George Grey (1732-1733)|
|Anne Sophia Grey (-1780)|