Luke 1:32-33

He will be great and will be called the Son of the Highest [i.e., God], and the Lord will give Him the throne of His forefather King David.

Acts 2:30

Since he was a prophet and knew that God had pledged His word that one of his [i.e., David's] descendants would sit on his throne [as king];

Treasury of Scripture Knowledge

Summary

If thy children will keep my covenant and my testimony that I shall teach them, their children shall also sit upon thy throne for evermore.

Their children

Bible References

Their children

Luke 1:32
He will be great and will be called the Son of the Highest [i.e., God], and the Lord will give Him the throne of His forefather King David.