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 in the battle. Stephen was not a gifted public speaker, and delegated the pre-battle speech to Baldwin of Clare, who delivered a rousing declaration. After an initial success in which William's forces destroyed the Angevins' Welsh infantry, the battle went badly for Stephen. Robert and Ranulf's cavalry encircled Stephen's centre, and the king found himself surrounded by the enemy army. Many of Stephen's supporters, including Waleran de Beaumont and William of Ypres, fled from the field at this point but Stephen fought on, defending himself first with his sword and then, when that broke, with a borrowed battle axe. Finally,