Staff of the Western Army
May to July 1643
- Commander: Lt General of the Western Counties, William, Marquis of Hertford
- Lt General: His Highness Prince Maurice
- Field Marshal of the Army: Sir Ralph Hopton
- Lt General of the Horse: Robert, Earl of Carnarvon
- Major General of the Horse: Ludovic, 16th Earl of Crawford
- Major General of the Foot: Colonel Joseph Wagstaffe
- Lt General of Ordnance: James, 3rd Earl of Marlborough