Charles Constantine of Vienne
Count of Vienne (by 926) and Count of Provence (928 – 962)
Born (c901) – Died (after Jan, 962)

Father – Emperor Louis III
Mother – Adelaide of Bliesgau

NOTE :
The identification of Charles Constantine’s mother with the Byzantine princess Anna has now been disproved

Charles Constantine was married (c920) to Theutberga of Troyes
Children :

The Count left illegitimate sons by an unknown mistress