Map of Wales after the 1267 Treaty of Montgomery/Shrewsbury:
  Gwynedd, Llywelyn ap Gruffudd's principality
  Territories conquered by Llywelyn ap Gruffudd
  Territories of Llywelyn's vassals
  Lordships of the Marcher barons
  Lordships of the King of England
Own work

References: Wales after the Treaty of Montgomery in 1267. Wrexham County Borough Council. Archived from the original on 2012-09-23.
AlexD