William Cavendish, 2nd Duke of Devonshire (ca. 1673 - 1729). He married The 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.

|- style="text-align: center;" | width="30%" |Preceded by:
The Duke of Devonshire | width="40%" style="text-align: center;" |Lord Steward
1707–1710 | width="30%" |Succeeded by:
The Duke of Buckingham and Normanby

|- style="text-align: center;" | width="30%" |Preceded by:
The Earl Poulett | width="40%" style="text-align: center;" |Lord Steward
1714–1716 | width="30%" |Succeeded by:
The Duke of Kent

|- style="text-align: center;" | width="30%" |Preceded by:
The Earl of Nottingham | width="40%" style="text-align: center;" |Lord President of the Council
1716–1717 | width="30%" |Succeeded by:
The Earl of Sunderland

|- style="text-align: center;" | width="30%" |Preceded by:
The Lord Carleton | width="40%" style="text-align: center;" |Lord President of the Council
1725–1729 | width="30%" |Succeeded by:
The Lord Trevor