comtessa consort de Provença

Not the same as Daughter of William le Pieux

C. COMTES [d'ARLES et d´AVIGNON]
http://fmg.ac/Projects/MedLands/PROVENCE.htm#RotbaldIAgeldied949

The wife of Rotbald is not known.
It has been speculated, for onomastic reasons only, that she was --- d'Aquitaine, daughter of Guillaume "le Pieux" Duke of Aquitaine & his wife Engelberga de Provence, but there appears to be no other basis for this suggestion[150].

Rotbald & his wife had two children:

1. BOSON (-after Oct [965/67]. .. ...
2. GUILLAUME [I] (-after Mar 965). .. ...

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D1. [1m.] Rotbald, +ca 950; Ermengarde d'Aquitaine

• http://genealogy.euweb.cz/french/boson.html#EB