Dorothy Bentinck, Duchess of Portland

18th-century English noblewoman (1750–1794)

Parents

• Charlotte Cavendish, Marchioness of Hartington
• William Cavendish, 4th Duke of Devonshire

Children

• Lord William Bentinck
• Frederick Cavendish-Bentinck
• Charlotte Cavendish-Bentinck
• Lord Charles Bentinck
• William Bentinck, 4th Duke of Portland

Siblings

• William Cavendish, 5th Duke of Devonshire
• George Cavendish, 1st Earl of Burlington
• Lord Richard Cavendish

Partners

• William Cavendish-Bentinck, 3rd Duke of Portland