Staff of the Oxford Army
August to October 1642
- Commander-in-Chief: His Majesty King Charles I
- Lord General: Robert Bertie, 1st Earl of Lindsey
- Lt General of the Horse: Prince Rupert of the Rhine
- Commissary General of the Horse: Henry Wilmot
- Sergeant-Major General of the Foot: Sir Jacob Astley
- Lt General of the Ordnance: Sir John Heydon
- Colonel-General of the Dragoons: Sir Arthur Aston