According to http://fmg.ac/Projects/MedLands/FRANKISH%20NOBILITY.htm#TheodericIA..., Bernard is the son of Guillaume's first wife - Cunigundis - not of his second wife - Guitburgis. Moving him.
According to http://fmg.ac/Projects/MedLands/FRANKISH%20NOBILITY.htm#TheodericIA..., Bernard is the son of Guillaume's first wife - Cunigundis - not of his second wife - Guitburgis. Moving him.