All items (6) # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Other 1 Henry Bentinck, 1st Duke of Portland (1682-1726) William Bentinck, 2nd Duke of Portland (1709-1762) William Henry Bentinck, 3rd Duke of Portland (1738-1809) William Henry Cavendish-Bentinck, 4th Duke of Portland (1768-1854) William Cavendish-Bentinck, 6th Duke of Portland (1857-1943) William Arthur Henry Cavendish-Bentinck, 7th Duke of Portland (1893-1977) Category: House of Bentinck Community content is available under CC-BY-SA unless otherwise noted.