Psalm 132:12

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

Psalm 89:30-35

If his sons forsake my law, and walk not in mine ordinances;

Psalm 102:28

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

Psalm 115:14

Jehovah will add unto you more, unto you and unto your children.

Isaiah 9:7

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

Isaiah 59:21

And as for me, this is my covenant with them, saith Jehovah: 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 Jehovah, from henceforth and for ever.

Luke 1:32-33

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

Acts 2:30

Being therefore a prophet, and knowing that God had sworn to him with an oath, of the fruit of his loins to set 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 sons forsake my law, and walk not in mine ordinances;

Their children

Psalm 102:28
The children of thy servants shall abide, and their seed shall be established before thee.
Psalm 115:14
Jehovah will add unto you more, unto you and unto your children.
Isaiah 9:7
Of the increase of his government and of peace there shall be no end, upon the throne of David and over his kingdom, to establish it, and to uphold it with judgment and with righteousness, from henceforth even for ever. The zeal of Jehovah of hosts will perform this.
Isaiah 59:21
And as for me, this is my covenant with them, saith Jehovah: 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 Jehovah, from henceforth and for ever.
Luke 1:32
He shall be great, and shall be called Son of the Highest; and the Lord God shall give him the throne of David his father;

General references

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