 Grimoald was arrested and executed, but his son ruled until 662, when the Merovingian dynasty was restored.When King Theuderic IV died in 737, the mayor Charles Martel continued to rule the kingdoms without a king until his death in 741.The dynasty was restored again in 743, but in 751 Charles's son, Pepin the Short, deposed the last king, Childeric III, and had himself crowned, inaugurating the Carolingian dynasty.