BiographyWilliam Henry Bentinck, 3rd Duke of Portland was born 14 April 1738 at Portland in Welbeck Abbey, Nottinghamshire, England, United Kingdom to William Bentinck, 2nd Duke of Portland (1709-1762) and Margaret Cavendish Harley (1715-1785) and died 30 October 1809 in Bulstrode Park, Buckinghamshire, England, United Kingdom of unspecified causes. He married Dorothy Cavendish (1750-1794) 8 November 1766 in Burlington House, London, England, United Kingdom. Notable ancestors include Charlemagne (747-814), Henry II of England (1133-1189), William I of England (1027-1087), Hugh Capet (c940-996), Rurik (c832-879), Alfred the Great (849-899). Ancestors are from the United Kingdom, the Netherlands, France, England, Germany, Russia, Ukraine, Israel, Spain, Portugal, Belgium, Hungary, Byzantium, Ireland, Belarus, the Byzantine Empire, Italy.
Noteworthy descendants include