Zwentibold was a member of a dynasty that was a Frankish noble family with origins in what clans?
Zwentibold: Zwentibold ("Zventibold", "Swentiboldo", "Sventibaldo", "Sanderbald";  870 – 13 August 900), a member of the Carolingian dynasty, was the illegitimate son of Emperor Arnulf.
i don't know