Marcus Valerius Messala Barbatus
Marcus Valerius Messala Barbatus ( also found as Barbatus Messala in Suetonius ) was a politician at the beginning of the Roman Empire; he was notably consul in AD 20 . 
<triplet> Marcus Valerius Messala Barbatus <subj> consul <obj> position held <triplet> Suetonius <subj> Roman Empire <obj> time period