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Civil war of 715–718

Pepin's death occasioned open conflict between his heirs and the Neustrian nobles who sought political independence from Austrasian control. In 715, Dagobert III named Raganfrid mayor of the palace. On 26 September 715, Raganfrid's Neustrians met the young Theudoald's forces at the Battle of Compiègne. Theudoald was defeated and fled back to Cologne. Before the end of the year, Charles had escaped from prison and been acclaimed mayor by the nobles of Austrasia. That same year, Dagobert III died and the Neustrians proclaimed Chilperic II, the cloistered son of Childeric II, as king.