Theudoald, born in seven hundred and eight, was a notable figure in Frankish politics, serving as the mayor of the palace during a tumultuous period in the early eighth century. Following the death of his grandfather, Pepin of Herstal, he briefly held power unopposed in seven hundred and fourteen. However, his position was challenged in seven hundred and fifteen when the nobility acclaimed Ragenfrid as mayor of Neustria and Charles Martel as mayor of Austrasia.
As the legitimate son of Grimoald II and Theudesinda of Frisia, Theudoald was connected to a lineage that included the Frisian kings. His grandmother, Plectrude, sought to have him recognized as the rightful heir to the Pippinid lands, a claim that put him at odds with Charles Martel, who ultimately seized power.
Theudoald's political career faced a significant setback when he was defeated by Ragenfrid at the Battle of Compiègne in September seven hundred and fifteen. Following this defeat, he retreated to Cologne, and in seven hundred and sixteen, his grandmother surrendered on his behalf to Chilperic II of Neustria and Ragenfrid.
His life came to a tragic end around seven hundred and forty-one, likely due to foul play, after the death of his uncle and protector, Charles Martel. Interestingly, despite being proclaimed heir to Pepin of Herstal, Charles Martel chose to spare Theudoald's life, a decision that was uncommon in the brutal political landscape of the Middle Ages.