But he was a prophet and knew that God had promised him on oath that He would place one of his descendants on his throne.
Textus Receptus (TR) - Acts 2:30 >Προφήτης οὖν ὑπάρχων, καὶ εἰδὼς ὅτι ὅρκῳ ὤμοσεν αὐτῷ ὁ Θεός, ἐκ καρποῦ τῆς ὀσφύος αὐτοῦ τὸ κατὰ σάρκα ἀναστήσειν τὸν Χριστόν, καθίσαι ἐπὶ τοῦ θρόνου αὐτοῦ,