The following individual does not have a valid birth date and could not be added: Nest Ferch Gruffydd (I2730)
King Aethelred II The Unready (978 - 1016)
King Edmund II lronside (1016)
King Cnut (Canute) (1016 - 1035)
King Harold I Harefoot (1035 - 1040)
King Harthacnut (1040 - 1042)
King Edward The Confessor (1042 - 1066)