Cavendish, William, 3rd Duke of Devonshire (1698 -1755)

William Cavendish, 3rd Duke of Devonshire, was the son of William Cavendish, 2nd Duke of Devonshire and the Hon. Rachel Russell. Like his father and grandfather, he was active in politics, and served as Lord Privy Seal from 1731 to 1733, and as Lord Lieutenant of Ireland from 1737 to 1744. In 1733 he was created a Knight of the Garter. During the Jacobite rising of 1745 the Duke raised a militia in support of the King, known as the Derbyshire Blues. He married Catherine Hoskins (or Hoskyn) in 1718, and had seven children.