(editors). Debrett's Peerage and Baronetage (1990 edition). New York: St Martin's Press, 1990, External links William Cavendish-Bentinck, 7th Duke of Portland 1893 births 1977 deaths William, 7th Duke of Portland 107 Honorary air commodores Knights of the Garter Cavendish-Bentinck, William Lord-Lieutenants of Nottinghamshire People from Welbeck People from Bassetlaw District People associated with the University of Nottingham Cavendish-Bentinck, William Cavendish-Bentinck, William Cavendish-Bentinck, William Cavendish-Bentinck, William Cavendish-Bentinck, William Cavendish-Bentinck, William Portland, D7 Cavendish-Bentinck, William English justices of the peace British landowners 20th-century English nobility People educated at Eton College