Psalm 132:12
If your sons are faithful to my covenant and my written instructions that I will teach them, then their descendants will also sit on your throne forever.
Psalm 89:30-35
If his descendants abandon my law and do not live by my rules,
Psalm 102:28
The children of your servants will continue, and their descendants will be established before you.
Psalm 115:14
May Jehovah continue to bless you and your children.
Isaiah 9:7
Of the increase of his government and peace there will be no end. He will reign on David's throne and over his kingdom. He will establish and uphold it with justice and righteousness from that time on and forever. The zeal of Jehovah of Hosts will accomplish this.
Isaiah 59:21
This is my promise to them,says Jehovah. My Spirit is on you and my words that I put in your mouth will not leave you. They will be with your children and your grandchildren permanently, says Jehovah
Luke 1:32-33
He will be great. He will be called the Son of the Most High. Jehovah God will give him the throne of his father David. (Isaiah 11:1-10)
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.