William Cavendish-Bentinck, 3rd Duke of Portland and Dorothy Bentinck - Dating, Gossip, News, Photos list. Help us build our profile of William Cavendish-Bentinck, 3rd Duke of Portland and Dorothy Bentinck!
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(8 November 1766 - 3 June 1794)her death 7 children
1. William Bentinck, 4th Duke of Portland (24 June 1768 – 27 March 1854).
2. Lord William Henry Cavendish-Bentinck (14 September 1774 – 17 June 1839).
3. Lady Charlotte Cavendish-Bentinck (3 October 1775 – 28 July 1862). Married Charles Greville, and they had three sons: Charles Cavendish Fulke Greville, Algernon Greville, and Henry William Greville (1801–1872), and a daughter, Harriet (1803-1870) m. Francis Egerton, 1st Earl of Ellesmere.
4. Lady Mary Cavendish-Bentinck (13 March 1779 – 6 November 1843).
5. Lord Charles Bentinck (3 October 1780 – 28 April 1826). Paternal grandfather of Cecilia Bowes-Lyon, Countess of Strathmore and Kinghorne; ancestor of the 6th and latest dukes of Portland, and of Lady Ottoline Morrell.
6. Lord Frederick Cavendish-Bentinck (2 November 1781 – 11 February 1828) married Lady Mary Lowther (d. 1863), daughter of William Lowther, 1st Earl of Lonsdale, 16 September 1820; had issue: George Cavendish-Bentinck.
7. A stillborn baby, birthed at Burlington House on October 20, 1786.
