NPG Ax142316; Winifred Anna (née Dallas-Yorke), Duchess of Portland and an unknown woman - Portrait - National Portrait Gallery
The Duke of Portland
John Bentinck, 5th Duke of Portland - Wikipedia
William Henry Cavendish Bentinck, 3rd duke of Portland | prime minister of Great Britain | Britannica
William Cavendish-Bentinck, 3rd Duke of Portland - Wikipedia
William Henry Cavendish Bentinck, 3rd Duke of Portland (1738-1809)
Winifred Anna Cavendish-Bentinck (Dallas-Yorke), Duchess of Portland (1863 - 1954) - Genealogy
Langwell House in Caithness, Scotland, Great Britain, the historic Scottish home of the Dukes of Portland Stock Photo - Alamy
William Cavendish-Bentinck, 6th Duke of Portland - Wikipedia
Earl of Portland - Wikipedia
Alan Calder Writer: Up In Caithness 2
William Henry Cavendish Bentinck, 3rd Duke of Portland (1738-1809)
NPG Ax143914; 7th Duchess of Portland and her daughters - Portrait - National Portrait Gallery
Braemore and Langwell Estates, Caithness - Country Sport Scotland
Earl of Portland - Wikipedia
History of William Cavendish-Bentinck Duke of Portland - GOV.UK
Nottinghamshire history > County pedigrees (1910) > Bentinck, Duke of Portland
Winifred Anna (née Dallas-Yorke), Duchess of Portland - Person - National Portrait Gallery
NPG Ax143915; Ivy Cavendish-Bentinck (née Gordon-Lennox), Duchess of Portland - Portrait - National Portrait Gallery
Nottinghamshire history > The Portland Peerage Romance (1907)
William Bentinck, 2nd Duke of Portland - Wikipedia
NPG Ax161372; Winifred Anna Cavendish-Bentinck (née Dallas-Yorke), 6th Duchess of Portland - Portrait - National Portrait Gallery
Earl of Portland - Wikipedia
