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
Natalie de Blois Natalie de Blois Natalie Griffin de Blois (April 2, 1921 – July 22, 2013) was an American architect. She began her architectural career in 1944 and became known as a pioneer in the male-dominated world of architecture. She was a partner for many years in the firm of Skidmore, Owings and Merrill, where, according to Beverly Willis, founder and chairwoman of the Beverly Willis Architecture Foundation, De Blois and firm partner Gordon Bunshaft were a "team", though "he took all the credit and she did all the work." Her notable works include Pepsi building, Lever House, and the Union Carbide