If your sons will keep My covenant And My testimony which I shall teach them, Their sons also shall sit upon your throne forevermore."
Psalms 132:12
Surrounding context
132:11 The LORD has sworn in truth to David; He will not turn from it: "I will set upon your throne the fruit of your body.
132:12 If your sons will keep My covenant And My testimony which I shall teach them, Their sons also shall sit upon your throne forevermore."
132:13 For the LORD has chosen Zion; He has desired it for His dwelling place: