Gnaeus Domitius Ahenobarbus was son of the Gnaeus Domitius Ahenobarbus who had been consul in 192 BC, was chosen pontifex in 172 BC when still a young man,[1] and in 169 BC was sent with two others as commissioners into Macedonia.[2] In 167 BC he was one of the ten commissioners for arranging the affairs of Macedonia in conjunction with Aemilius Paulus;[3] and when the consuls of 162 BC abdicated on account of some fault in the auspices in their election, he and Cornelius Lentulus were chosen consuls in their stead.[4] [5]
He was the father of Gnaeus Domitius Ahenobarbus, who was consul in 122 BC.