William Cavendish-Bentinck, 3rd Duke of Portland

British politician and prime minister (1738–1809) (1738–1809)

Parents

• Margaret Cavendish Bentinck, Duchess of Portland
• William Bentinck, 2nd Duke of Portland

Children

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

Siblings

• Elizabeth Bentinck
• Lord Edward Bentinck
• Lady Henrietta Cavendish-Bentinck

Partners

• Dorothy Bentinck, Duchess of Portland