Adela of Normandy herself to not only her late husband but her sons. Adela quarrelled with her eldest son William and despite his previously being named heir-designate, she appointed his younger brother Theobald to replace him as heir in 1107. Her son Stephen moved to London in 1111 to join his uncle's court and became the favorite of his uncle King Henry I (Beauclerc). Upon Beauclerc's death in Normandy (1135), Stephen of Blois seized the English throne. He seized the English crown from the Empress Matilda, King Henry I's daughter whom the monarch had named as his successor. This started a protracted civil
English claims to the French throne female inheritance finally had to be introduced. On the death of Philip IV the Fair's son Louis X in 1316, immediately followed by that of his son John I the Posthumous, it had to be decided whether his young daughter Joan or his brother Philip would succeed to the throne. Philip arranged for his coronation, and became Philip V of France. He was challenged by the supporters of the Princess Joan, daughter of Louis X, on the basis of his right to the throne. In response, he convened an assembly of prelates, barons, and burgesses at Paris, who acknowledged him