Duchy of Gloucester

• Ruling Houses
• 

  House of Gloucester
  Thomas of Woodstock

• 

  House of Lancaster
  Humphrey of Lancaster

• 

  House of York
  Richard Plantagenet

• 

  House of Stuart
  Henry Stuart

• 

  House of Oldenburg
  Prince William of Denmark

• 

  House of Hanover
  Prince William Henry of Great Britain