Alan Calder Writer: Up In Caithness 2
William Cavendish-Bentinck, 6th Duke of Portland - Wikipedia
Malcolm Sinclair, 20th Earl of Caithness - Wikipedia
William Bentinck, 4th Duke of Portland - Wikipedia
John Bentinck, 5th Duke of Portland - Wikipedia
William Cavendish-Bentinck, 7th Duke of Portland - Person - National Portrait Gallery
Nottinghamshire history > The Portland Peerage Romance (1907)
NPG Ax161372; Winifred Anna Cavendish-Bentinck (née Dallas-Yorke), 6th Duchess of Portland - Portrait - National Portrait Gallery
NPG Ax142316; Winifred Anna (née Dallas-Yorke), Duchess of Portland and an unknown woman - Portrait - National Portrait Gallery
William Cavendish-Bentinck, 6th Duke of Portland - Wikipedia
Earl of Portland - Wikipedia
Nottinghamshire history > The Portland Peerage Romance (1907)
William Cavendish-Bentinck, 6th Duke of Portland - Wikipedia
The Duke's Candlesticks at Berriedale in Caithness, Scotland. Work for realignment of the A9 at the hairpin on the Berriedale Braes beyond Stock Photo - Alamy
LANGWELL HOUSE, BERRIEDALE (RESIDENCE OF THE DUKE OF PORTLAND) - TuckDB Postcards
Winifred Anna (née Dallas-Yorke), Duchess of Portland - Person - National Portrait Gallery
William Cavendish-Bentinck, 7th Duke of Portland - Person - National Portrait Gallery
Earl of Portland - Wikipedia
Braemore and Langwell Estates, Caithness - Country Sport Scotland
Earl of Portland - Wikipedia
NPG Ax143914; 7th Duchess of Portland and her daughters - Portrait - National Portrait Gallery
William Henry Cavendish Bentinck, 3rd Duke of Portland (1738-1809)
William Cavendish-Bentinck, 3rd Duke of Portland - Wikipedia
The Duke of Portland
William Henry Cavendish Bentinck, 3rd duke of Portland | prime minister of Great Britain | Britannica
William Henry Cavendish Bentinck, 3rd Duke of Portland (1738-1809)
Earl of Portland - Wikipedia
Winifred Anna Cavendish-Bentinck (Dallas-Yorke), Duchess of Portland (1863 - 1954) - Genealogy
NPG Ax142329; Winifred Anna (née Dallas-Yorke), Duchess of Portland - Portrait - National Portrait Gallery
William Cavendish-Bentinck, 7th Duke of Portland - Person - National Portrait Gallery
History of William Cavendish-Bentinck Duke of Portland - GOV.UK
