William Henry Cavendish CAVENDISH-BENTINCK, 3rd Duke of Portland, KG, PC, FRS
1738 - 1809 (71 years)
Generation: 1
1. William Henry Cavendish CAVENDISH-BENTINCK, 3rd Duke of Portland, KG, PC, FRS was born on 14 Apr 1738; died on 30 Oct 1809. Family/Spouse: Her Grace Dorothy CAVENDISH, Duchess of Portland. Dorothy (daughter of His Grace William CAVENDISH, 4th Duke of Devonshire, KG, PC and Rt. Hon. Lady Charlotte Elizabeth BOYLE, Marchioness of Hartington, 6th Baroness Clifford) was born on 27 Aug 1750; died on 3 Jun 1794. [Group Sheet] [Family Chart]