Berean Standard Bible (BSB)
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.
World English Bible (WEB)
Therefore, being a prophet, and knowing that God had sworn with an oath to him that of the fruit of his body, according to the flesh, he would raise up the Christ to sit on his throne,
Strong's King James
Therefore{G3767} being{G5225}{(G5723)} a prophet{G4396}, and{G2532} knowing{G1492}{(G5761)} that{G3754} God{G2316} had sworn{G3660}{(G5656)} with an oath{G3727} to him{G846}, that of{G1537} the fruit{G2590} of his{G846} loins{G3751}, according to{G2596} the flesh{G4561}, he would raise up{G450}{(G5693)} Christ{G5547} to sit{G2523}{(G5658)} on{G1909} his{G846} throne{G2362};
The F.O.G *
(30) So then, being a prophet and knowing that 'THE אֱלֹהִים ELOHIM PROMISED HIM WITH A VOW, TO SEAT FROM HIS FRUIT OF THE LOINS, UPON HIS THRONE!'
The F.O.G Message *
Young's Literal Translation
a prophet, therefore, being, and knowing that with an oath God did swear to him, out of the fruit of his loins, according to the flesh, to raise up the Christ, to sit upon his throne,