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.
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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.