Read 1 Chronicles 5:22 Using Other Translations
For there fell down many slain, because the war was of God. And they dwelt in their steads until the captivity.
For many fell, because the war was of God. And they lived in their place until the exile.
Many of the Hagrites were killed in the battle because God was fighting against them. The people of Reuben, Gad, and Manasseh lived in their land until they were taken into exile.