Please improve the coherence in the given paragraph.
It is possible that Tiro was born a slave in Cicero's household in Arpinum and came with his family to Rome. We do not know for sure that Tiro was a Tiro (homegrown Tiro).
It is possible that Tiro was born a slave in Cicero's household in Arpinum and came with his family to Rome. However we do not know for sure that he was a verna (homegrown slave).