The following individual does not have a valid birth date and could not be added: Princess of Dumnonia Gwynhafar (I10015)
- 1028 - 1028
King Cnut (Canute) (1016 - 1035)
King Harold I Harefoot (1035 - 1040)
King Harthacnut (1040 - 1042)
King Edward The Confessor (1042 - 1066)
King Harold II (1066)
King William I The Conqueror (1066 - 1087)
King William II Rufus (1087 - 1100)
King Henry I (1100 - 1135)
King Stephen (1135 - 1154)
Queen Matilda (1135 - 1141)
Queen Matilda (1141 - 1148) (disputed)