William Cavendish, 2nd Duke of Devonshire
William Cavendish, 2nd Duke of Devonshire (ca.
1673 -
1729). He married Hon. Rachel Russell (1674 - 1725), daughter of William, Lord Russell. One of their grandsons was the famous scientist
Henry Cavendish who endowed the
Cavendish Laboratory at the
University of Cambridge. He served as
Lord President of the Council from 1725 to 1729.