ROTBALD [I], son of --- (-[949]). His parentage is not known. It has been speculated that he was the son of Boso Marchese of Tuscany, for onomastic reasons, but that Boso is not known to have had any sons[185]. In any case, Boso was a reasonably common name in the area at that time. Rotbald supported King Louis III "the Blind"'s campaign in Italy in 900 and his efforts to be crowned emperor in Feb 901.
m ---. 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[186]. Rotbald & his wife had two children