Gaius Suetonius Tranquillus, Nero 13.2   (ca. A.D. 98-117): Perductum inde in theatrum ac rursus supplicantem iuxta se latere dextro conlocavit. From there the king [Tiridates of Armenia] was taken to the theater, and when he had again done obseisance, Nero gave him a seat at his right hand. (J. C. Rolfe, trans.)