Henry Bentinck, 1st Duke of Portland was born 17 March 1682 in Titchfield, Hampshire, England, United Kingdom to Hans Willem Bentinck, 1st Earl of Portland (1649-1709) and Anne Villiers (c1651-1688) and died 4 July 1726 St Iago de la Vega, Jamaica of unspecified causes. He married Elizabeth Noel (1688-1737) 9 June 1704 in Chiswick.
|Offspring of Henry Bentinck, 1st Duke of Portland and Elizabeth Noel (1688-1737)|
|Anne Bentinck (c1705-1749)|
|William Bentinck, 2nd Duke of Portland (1709-1762)||1 March 1709 Titchfield, Hampshire, England, United Kingdom||1 May 1762||Margaret Cavendish Harley (1715-1785)|
|Amelia Catharina Bentinck (c1711-1756)|
|Isabella Bentinck (c1713-1783)|
|George Bentinck (1715-1759)|