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
Stephen, King of England him back into England either, and seized his estates. Stephen also cut his links to the Cistercian order, and turned instead to the Cluniacs, of which Henry was a member. Nonetheless, the pressure on Stephen to get Eustace confirmed as his legitimate heir continued to grow. The King gave Eustace the County of Boulogne in 1147, but it remained unclear whether Eustace would inherit England. Stephen's preferred option was to have Eustace crowned while he himself was still alive, as was the custom in France, but this was not the normal practice in England, and Celestine II, during his brief