Question: Who is the mother-in-law of Gerberga, Wife Of Carloman I?
Sentence (from "Gerberga, wife of Carloman I"): Desiderius, however, had been alienated from Charlemagne by the latter's repudiation of Desiderius' daughter, Desiderata, shortly before, and now moved in support of Carloman's family.
Relevant evidence: No