Hedwig is still wrong spouse and wrong mother
.
https://fmg.ac/Projects/MedLands/FRANKISH%20NOBILITY.htm#Ermengardi... shows Ermengard wife of Louis, son of Charlemagne, was the daughter of Enguerrand and Rotrud.
Ingeramne, count of Hesbaye son of n.n. maybe named Rodbert, but brother of Chrodgang van Austrasië, Bishop
Maybe an easy fix for some awake curator?