Psalm 132:12

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

Psalm 89:30-35

If his children forsake my law, and walk not in my judgments;

Psalm 102:28

The children of thy servants shall continue, and their seed shall be established before thee.

Psalm 115:14

The LORD will increase you more and more, you and your children.

Isaiah 9:7

Of the increase of his government and peace there shall be no end, upon the throne of David, and upon his kingdom, to order it, and to establish it with judgment and with justice from henceforth even for ever. The zeal of the LORD of hosts will perform this.

Isaiah 59:21

As for me, this is my covenant with them, saith the LORD; My spirit that is upon thee, and my words which I have put in thy mouth, shall not depart out of thy mouth, nor out of the mouth of thy seed, nor out of the mouth of thy seed's seed, saith the LORD, from henceforth and for ever.

Luke 1:32-33

He will be great, and will be called the Son of the Highest; and the Lord God will give to him the throne of his father David.

Acts 2:30

Therefore being a prophet, and knowing that God had sworn to him with an oath, that from the fruit of his loins, according to the flesh, he would raise up Christ to sit on his throne;

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.

If thy children

General references

Bible References

If thy children

Psalm 89:30
If his children forsake my law, and walk not in my judgments;

Their children

Psalm 102:28
The children of thy servants shall continue, and their seed shall be established before thee.
Psalm 115:14
The LORD will increase you more and more, you and your children.
Isaiah 9:7
Of the increase of his government and peace there shall be no end, upon the throne of David, and upon his kingdom, to order it, and to establish it with judgment and with justice from henceforth even for ever. The zeal of the LORD of hosts will perform this.
Isaiah 59:21
As for me, this is my covenant with them, saith the LORD; My spirit that is upon thee, and my words which I have put in thy mouth, shall not depart out of thy mouth, nor out of the mouth of thy seed, nor out of the mouth of thy seed's seed, saith the LORD, from henceforth and for ever.
Luke 1:32
He will be great, and will be called the Son of the Highest; and the Lord God will give to him the throne of his father David.

General references

Psalm 89:4
Thy seed will I establish for ever, and build up thy throne to all generations. Selah.