He killed Hilderic .
In the meantime , Thrasimund took advantage and united with a papal army and the forces of Godescalc of Benevento and retook his duchy in December 740 .
Thrasimund killed Hilderic .
In the meantime , Thrasimund took advantage and united with a papal army and the forces of Godescalc of Benevento and retook his duchy in December 740 .