The following individual does not have a valid birth date and could not be added: King of North wales Trahaern Ap Caradoc (I2909)
- 1079 - 1079
King John (1199 - 1216)
King Henry III (1216 - 1272)
King Edward I Longshanks (1272 - 1307)
King Edward II (1307 - 1327)