1135–1154 / House of Blois / Usurped throne from Empress Matilda, civil war ("The Anarchy"), Treaty of Wallingford / Wife: Matilda of Boulogne / Children: Eustace IV, William, others

Stephen of Blois

1066–1087 / House of Normandy / Conquered England at the Battle of Hastings, established feudal system / Wife: Matilda of Flanders / Children: Robert Curthose, William II, Henry I, others

William I (the Conqueror)

1016 / House of Wessex / Fought Danish invaders / Married Ealdgyth / Children unknown

Edmund Ironside

939–946 / House of Wessex / Viking invasions, revolt in Northumbria / Wife: Ælfgifu / Children: Edwy, Edgar

Edmund I

1016–1035 / House of Denmark / Consolidated Anglo-Scandinavian empire / Wives: Ælfgifu of Northampton, Emma of Normandy / Children: Harold Harefoot, Harthacnut, others

Cnut the Great

946–955 / House of Wessex / Peaceful reign / No known wife or children

Eadred

865–871 / House of Wessex / Extensive Viking invasions / Married Wulfthryth / Children unknown

Æthelred I

1141 (disputed) / House of Blois / Briefly declared "Lady of the English" during The Anarchy, struggled against Stephen / Husbands: Henry V, Holy Roman Emperor; Geoffrey Plantagenet / Children: Henry II, Geoffrey, William

Empress Matilda

860–865 / House of Wessex / Struggled against Vikings / No known children

Æthelbert

871–899 / House of Wessex / Victory at Battle of Edington, established Danelaw / Wife: Ealhswith / Children: Edward, Æthelflæd, others

Alfred the Great