Disambiguation evidence for Duchess of Portland via surface form

"Winifred Dallas-Yorke, Duchess of Portland"

Triples (1)

Triples where some other subject referred to this entity as "Winifred Dallas-Yorke, Duchess of Portland".

William Cavendish-Bentinck, 6th Duke of Portland spouse
"Winifred Dallas-Yorke, Duchess of Portland"
↳ resolves to Duchess of Portland