Who was William cavendish's father?

William Cavendish, the 4th Duke of Devonshire, was the son of William Cavendish, the 3rd Duke of Devonshire, and his wife, Lady Georgiana Spencer. The 3rd Duke was a prominent British nobleman known for his political influence and connections during the 18th century. His mother, Lady Georgiana, was a famous socialite and political activist, further highlighting the family's prominence in British society.