The following individual does not have a valid birth date and could not be added: Duke of Saxony Herman Billung (I2121)
- 973 - 973
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)