House of Blois chose a wife from the House of Champagne (Adela of Champagne) as a counterpoise to Angevin power. The senior line of the House of Blois became extinct with the death of Joan I of Navarre, wife of Philip IV of France, in 1305. Champagne and Navarre passed to the Capetian dynasty. King Stephen I of England, 1135–1154, was both a member of the House of Blois and the last Anglo-Norman King, being the grandson of William the Conqueror through his daughter Adela of Normandy. A branch of the family was established in Sancerre by Stephen I of Sancerre, a younger
King of Italy kingship simultaneously: In 896, Arnulf and Ratold lost control of Italy, which was divided between Berengar and Lambert: In 951 Otto I of Germany invaded Italy and was crowned with the Iron Crown of Lombardy. In 952, Berengar and Adalbert became his vassals but remained Kings until being deposed by Otto. Roger II used the title "King of Sicily and Italy" until at least 1135; later he used only the title "King of Sicily, Apulia and Calabria". Although his realm included the southern Italian mainland, he never exerted any control over the official Kingdom of Italy, and none of his