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2 Kings 3:4ESV·author unknown

Now Mesha king of Moab was a sheep breeder, and he had to deliver to the king of Israel 100,000 lambs and the wool of 100,000 rams.

Matthew Henry Presbyterian @wholebiblehenry

Jehoram, the son of Ahab, and brother of Ahaziah, is here upon the throne of Israel; and, though he was but a bad man, yet two commendable things are here recorded of him: - I. That he removed his father's idols. He did evil in many things, but not like his father Ahab or his mother Jezebel, Kg2 3:2.

Commenting on 2 Kings 3:1-5

John Gill Reformed Baptist @doctorgill

But it came to pass, when Ahab was dead, that the king of Moab rebelled against the king of Israel. Who then was Ahaziah; but either through the pusillanimity of his temper, or the sickness that attended him, or the shortness of his reign, he took no steps to the reduction of him, or to oblige him to pay his tribute, which he neglected to...

Jamieson-Fausset-Brown Reformed @jfbcommentary

MESHA, KING OF MOAB, REBELS. (Kg2 3:4-5) Mesha king of Moab, &c.--As his dominions embraced an extensive pasture country, he paid, as annual tribute, the wool of a hundred thousand lambs and a hundred thousand rams. It is still common in the East to pay custom and taxes in the fruits or natural produce of the land.