World of HYDE
Discovering our Ancestors and their descendants to all parts of the world. Last updated 15th March 2026.
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William Henry Cavendish-Bentinck, 3rd Duke Of Portland
1738 - 1809 (71 years)
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1738
1752
1766
1781
1795
1809
William Henry Cavendish-Bentinck, 3rd Duke Of Portland (1738 - 1809)
> 1738 - Born: 14 Apr 1738
> 1766 - Married
Lady Dorothy Evelyn Cavendish, Duchess Of Portland
: 8 Nov 1766
> 1768 - Child
William Henry Cavendish-Bentinck
b. 24 Jun 1768
> 1774 - Child
William Henry Bentinck
b. 14 Sep 1774
> 1775 - Child
Charlotte Cavendish Bentinck
b. 3 Oct 1775
> 1779 - Child
Lady Mary Cavendish-Bentinck
b. 13 Mar 1779
> 1780 - Child
Lt. -Gen. Lord William Charles Augustus Cavendish-Bentinck
b. 3 Oct 1780
> 1781 - Child
William Frederick Cavendish- Bentinck
b. 2 Nov 1781
> 1809 - Died: 30 Oct 1809
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1738 - 1809 (71 years) 1738 - 1809 (71 years)