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Carolingian dynasty
After the Treaty of Verdun (843)

Theudoald (or Theodald; (707/708 – 741)[1][2] was the mayor of the palace, briefly unopposed in 714 after the death of his grandfather, Pepin of Herstal. 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. His grandmother Plectrude tried to have him recognised by his grandfather as the legitimate heir to all the Pippinid lands, instead of Charles Martel. His grandmother surrendered on his behalf in 716 to Chilperic II of Neustria and Ragenfrid.

Theudoald died, probably killed, around 741, after the death of his uncle and protector, Charles Martel. It is notable that, despite his having been proclaimed heir to Pepin of Herstal, when Charles Martel seized power, he allowed his nephew to live, instead of killing him, as was often the case in the Middle Ages.


  1. Liber Historiæ Francorum ("Grimoaldus…filium ex concubina Theudoaldo"). Liber Historiæ Francorum 49, MGH SS rer Merov II, p. 324.
  2. Monumenta Epternacensia ("Theodaldum, filium Grimoaldi…ex Theodesina filia regis Rabodi"). Monumenta Epternacensia, MGH SS XXIII, p. 59.
Died: 741
Preceded by
Grimoald II
Mayor of the Palace of Austrasia
Succeeded by
Charles Martel