Dorothy Bentinck was previously married to William Cavendish-Bentinck, 3rd Duke of Portland (1766 - 1794).
Dorothy Bentinck is a member of the following lists: Daughters of barons, Spouses of prime ministers of the United Kingdom and Children of prime ministers of the United Kingdom.
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Dorothy Bentinck, Duchess of Portland (née Lady Dorothy Cavendish; 27 August 1750 – 3 June 1794) was Duchess of Portland and the wife of William Cavendish-Bentinck, 3rd Duke of Portland, the Prime Minister of Great Britain.
Dorothy Bentinck and William Cavendish-Bentinck, 3rd Duke of Portland were married for 27 years before Dorothy Bentinck died, leaving behind her partner and 7 children.
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