I Chronicles 5:23

And they transgressed against the God their fathers,.... Against his law, will, word, and ordinances, not only the half tribe of Manasseh, hut the Reubenites and Gadites also: and went a whoring after the gods of the people of the land, whom God destroyed before them; that is, committed idolatry, which is spiritual fornication or whoredom; worshipped the idols either of the Amorites, who were destroyed by the Lord to make way for their first settlement; or of the Ishmaelites, whom they conquered, and whose land they dwelt in to the captivity.

This chapter gives us some account of the two tribes and a half that were seated on the other side Jordan. I. Of Reuben (Ch1 5:1-10). II. Of Gad (Ch1 5:11-17). III. Of the half-tribe of Manasseh (Ch1 5:23, Ch1 5:24). IV. Concerning all three acting in conjunction we are told, 1. How they conquered the Hagarites (Ch1 5:18-22). 2. How they were, at length, themselves conquered, and made captives, by the king of Assyria, because they had forsaken God (Ch1 5:25, Ch1 5:26).