David
Psalm 132:12BSB·traditional attribution

If your sons keep My covenant and the testimony I will teach them, then their sons will also sit on your throne forever and ever.”

John Calvin Reformed @genevareformer

PSALM 132 The writer of this Psalm, whoever he may have been Lightfoot ascribes this Psalm to David, and supposes it to have been composed on the second removal of the Ark from the house of Obededom. (1 Chronicles 15:4, etc.) But the mention of David’s name in the tenth verse in the third person, and the terms there employed, militate against his being the Author.

Commenting on Psalm 132:1-18

C.H. Spurgeon Reformed Baptist @princeofpreachers

If thy children will keep my covenant and my testimony that I shall teach them. There is a condition to the covenant so far as it concerned kings of David's line before the coming of the true Seed; but he has fulfilled that condition, and made the covenant indefeasible henceforth and for ever as to himself and the spiritual seed in him.

Matthew Henry Presbyterian @wholebiblehenry

These are precious promises, confirmed by an oath, that the heirs of them might have strong consolation, Heb 6:17, Heb 6:18. It is all one whether we take them as pleas urged in the prayer or as answers returned to the prayer; believers know how to make use of the promises both ways, with them to speak to God and in them to hear what...

Commenting on Psalm 132:11-18