What is the meaning of Acts 2:30?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

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.

Berean Standard Bible (BSB)

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,

World English Bible (WEB)

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};

Strong's King James

(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*

[30] But David was a prophet who knew God had promised him on oath that one of his descendants would sit on his throne.

The F.O.G Paraphrase

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,

Young's Literal Translation