Isaiah
Isaiah 16:5BSB·traditional attribution

in loving devotion a throne will be established in the tent of David. A judge seeking justice and hastening righteousness will sit on it in faithfulness.

John Calvin Reformed @genevareformer

5. And the throne shall be prepared in mercy. {Bogus footnote} The Jews explain the whole of this verse as referring to Hezekiah; but this is altogether inappropriate, for the Prophet speaks of a more important restoration of the Church, and the Moabites had not been punished during the flourishing condition of Hezekiah’s reign; and the blessing of God again began to burst forth on the Jews.

Matthew Henry Presbyterian @wholebiblehenry

God has made it to appear that he delights not in the ruin of sinners by telling them what they may do to prevent the ruin; so he does here to Moab. I. He advises them to be just to the house of David, and to pay the tribute they had formerly covenanted to pay to the kings of his line (Isa 16:1): Send you...

Commenting on Isaiah 16:1-5

John Gill Reformed Baptist @doctorgill

And in mercy shall the throne be established,.... That is, the throne of Hezekiah, and his government over Judah, which was more firmly settled and established after the overthrow of the Assyrian army, through the mercy of God vouchsafed to him, and on account of the mercy he exercised among his subjects, see Pro 20:28.