William Cavendish-Bentinck, 7th Duke of Portland
William Arthur Henry Cavendish-Bentinck, 7th Duke of Portland
William Cavendish-Bentinck, 6th Duke of Portland
Winifred Cavendish-Bentinck, Duchess of Portland
Ivy Cavendish-Bentinck, Duchess of Portland
William Cavendish-Bentinck, Marquess of Titchfield, by Philip de László.jpg
member of the 37th Parliament of the United Kingdom
member of the 36th Parliament of the United Kingdom
member of the 35th Parliament of the United Kingdom
Coat of arms of Cavendish-Bentinck, Dukes of Portland, KG.svg
member of the 34th Parliament of the United Kingdom
member of the 33rd Parliament of the United Kingdom
History of William Cavendish-Bentinck Duke of Portland - GOV.UK