Ingeramne, count of Hesbaye had one wife - Rotrud based on the information from http://fmg.ac/Projects/MedLands/FRANKISH%20NOBILITY.htm#Ermengardis...
Hedwig of Bavaria married Count WELF [I], son of ROTHARD Graf & his wife --- (-[824/25])
http://fmg.ac/Projects/MedLands/WURTTEMBERG.htm#Judithdied843
Based on the information on Wikipedia seems to be for Hedwig Welfen, Abbess of Chelles. They may be duplicates or they could be separate people. https://en.m.wikipedia.org/wiki/Hedwig_of_Bavaria
