The following individual does not have a valid birth date and could not be added: King of Aragon Pedro, II (I3041)
- 1213 - 1213
King William II Rufus (1087 - 1100)
King Henry I (1100 - 1135)
King Stephen (1135 - 1154)
Queen Matilda (1135 - 1141)
Queen Matilda (1141 - 1148) (disputed)