Career
Then in 715 the nobility acclaimed Ragenfrid mayor of Neustria and Charles Martel mayor of Austrasia. Theudoald was the illegitimate son of Grimoald II (son of Pepin II of Herstal and Plectrude) and Theudesinda of Frisia (daughter of king Radbod). Thus, he was a grandson of the Frisian king.