Moses
Deuteronomy 2:16BSB·traditional attribution

Now when all the fighting men among the people had died,

Matthew Henry Presbyterian @wholebiblehenry

It is observable here that Moses, speaking of the Edomites (Deu 2:8), calls them, "our brethren, the children of Esau." Though they had been unkind to Israel, in refusing them a peaceable passage through their country, yet he calls them brethren.

Commenting on Deuteronomy 2:8-23

John Gill Reformed Baptist @doctorgill

So it came to pass, when all the men of war were consumed,.... By wasting diseases and judgments of one kind or another: and dead from among the people; the rising and surviving generation.

Jamieson-Fausset-Brown Reformed @jfbcommentary

all the men of war were consumed and dead from among the people--The outbreak at Kadesh on the false report of the spies had been the occasion of the fatal decree by which God doomed the whole grown-up population to die in the wilderness [Num 14:29]; but that outbreak only filled up the measure of their iniquities.