Psalm 132:12

If your sons will keep My covenant and My testimonies which I shall teach them, their sons shall also sit on your throne forever.

Psalm 89:30-35

If his children forsake My Law, and do not walk in My judgments;

Psalm 102:28

The sons of Your servants shall continue, and their seed shall be established before You.

Psalm 115:14

Jehovah shall add on to you, even on you and on your sons.

Isaiah 9:7

There is no end of the increase of His government and peace on the throne of David, and on His kingdom, to order it and to establish it with judgment and with justice from now on, even forever. The zeal of Jehovah of Hosts will do this.

Isaiah 59:21

As for Me, this is My covenant with them, says Jehovah; My Spirit that is on you, and My Words which I have put in your mouth, shall not depart out of your mouth, nor out of the mouth of your seed, nor out of the mouth of your seed's seed, says Jehovah, from now on and forever.

Luke 1:32-33

He shall be great and shall be called the Son of the Highest. And the Lord God shall give Him the throne of His father David.

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 upon 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 do not walk in My judgments;

Their children

Psalm 102:28
The sons of Your servants shall continue, and their seed shall be established before You.
Psalm 115:14
Jehovah shall add on to you, even on you and on your sons.
Isaiah 9:7
There is no end of the increase of His government and peace on the throne of David, and on His kingdom, to order it and to establish it with judgment and with justice from now on, even forever. The zeal of Jehovah of Hosts will do this.
Isaiah 59:21
As for Me, this is My covenant with them, says Jehovah; My Spirit that is on you, and My Words which I have put in your mouth, shall not depart out of your mouth, nor out of the mouth of your seed, nor out of the mouth of your seed's seed, says Jehovah, from now on and forever.
Luke 1:32
He shall be great and shall be called the Son of the Highest. And the Lord God shall give Him the throne of His father David.

General references

Psalm 89:4
Your seed will I establish forever, and build up your throne to all generations. Selah.