staving Ray Brown:
>I forgot to add in my original mail that freed slaves were enrolled into
>their master's _gens_ and normally, out of respect for their master, would
>also adopt his praenomen. The name by which they had formerly been known
>would become the cognomen. A similar thing happened when citizenship was
>granted to non-Romans. For example, when the emperor Tiberius Claudius
>Caesar Augustus Germanicus (aka Claudius) gave Cogidubnus, king of the
>British 'tribe' known as _Regnenses_, citizenship, the latter became
>'Tiberius Claudius Cogidubnus', a member of the Claudian _gens_.
I thought Cogidubnus was King of the Atrebates?
Pete