Ermengarde may or may not have existed. Some sources say that her father had no sons, other sources say that he had no heirs, and yet others claim that he had no children.
Common ancestors of Ermengarde of Aquitaine (?-?) and Rotbold of Arles (c907-936)
- Bava (782-)
- Ermengard of Tours (801-851)
- Ermengarde of Hesbaye (c778-818)
- Hugh of Tours (c780-837)
- Lothair (795-855)
- Louis the Pious (778-840)