Psalm 89:3-4 Ps. 89:3-4
3 I have made a covenant with my chosen, I have sworn unto David my servant, 4 Thy seed will I establish for ever, and build up thy throne to all generations. Selah.
Acts 2:30 Acts 2:30
Therefore being a prophet, and knowing that God had sworn with an oath to him, that of the fruit of his loins, according to the flesh, he would raise up Christ to sit on his throne;
(Relation)
Psalm 89:20 Ps. 89:20
I have found David my servant; with my holy oil have I anointed him:
Acts 13:22 Acts 13:22
And when he had removed him, he raised up unto them David to be their king; to whom also he gave testimony, and said, I have found David the son of Jesse, a man after mine own heart, which shall fulfil all my will.
(Quotation)