Lord Frederick CAVENDISH-BENTINCK
1781 - 1828 (46 years)(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Lord Frederick CAVENDISH-BENTINCK [1] b. 2 Nov 1781 d. 11 Feb 1828
- Mary LOWTHER d. 1863
- 2 George Augustus Frederick CAVENDISH-BENTINCK [1.1] b. 9 Jul 1821 d. 9 Apr 1891
- Prudentia Penelope LESLIE d. 1896
- 3 Christina Anne Jessica CAVENDISH-BENTINCK [1.1.1] d. 1912
- Sir Tatton SYKES, 5th Baronet b. 1826 d. 1913
- 4 Sir Mark SYKES, 6th Baronet [1.1.1.1] b. 1879 d. 1919
- 4 Sir Mark SYKES, 6th Baronet [1.1.1.1]
- 3 William George CAVENDISH-BENTINCK [1.1.2] b. 6 Mar 1854 d. 22 Aug 1909
- Elizabeth LIVINGSTON b. 12 Aug 1855 d. 4 Nov 1943
- 4 Mary Augusta CAVENDISH-BENTINCK [1.1.2.1] b. 1881 d. 1913
- 4 Ruth Evelyn CAVENDISH-BENTINCK [1.1.2.2] b. 1883 d. 1978
- 4 Mary Augusta CAVENDISH-BENTINCK [1.1.2.1]
- 3 Frederick CAVENDISH-BENTINCK [1.1.3] b. 1856 d. 1948
- Ruth Mary ST. MAUR b. 21 Oct 1867 d. 28 Jan 1953
- 4 Ferdinand William CAVENDISH-BENTINCK [1.1.3.1] b. 4 Jul 1889 d. 13 Dec 1980
- 4 Lucy Joan CAVENDISH-BENTINCK [1.1.3.2] b. 1889 d. 1954
- 4 Victor Frederick William CAVENDISH-BENTINCK, 9th Duke of Portland [1.1.3.3] b. 18 Jun 1897 d. 30 Jul 1990
[ =>]
- 4 Venetia Barbara CAVENDISH-BENTINCK [1.1.3.4] b. 1902 d. 1980
- 4 Ferdinand William CAVENDISH-BENTINCK [1.1.3.1]
- 3 Mary Venetia CAVENDISH-BENTINCK [1.1.4] b. 4 Jun 1861 d. 2 May 1948
- + Arthur JAMES d. 1917
- + Arthur JAMES d. 1917
- 3 Christina Anne Jessica CAVENDISH-BENTINCK [1.1.1]
- 2 George Augustus Frederick CAVENDISH-BENTINCK [1.1]