Answer
Ingerman (or Engimbert) was a Duke of Hesbaye in the Carolingian period. He was the son of Count Lambert I of Hesbaye and his wife Bertha, a daughter of Charles Martel. Ingerman was a loyal supporter of Charles Martel and Pepin the Short, and he fought with them against the Avars and the Saxons. He died in 748, and was succeeded by his son Lambert II.