In context
19just as Yahweh had commanded Moses. So he numbered them in the wilderness of Sinai. 20The descendants of Reuben, Israel’s firstborn — their lineage, by their clans and ancestral houses, counted by name, head by head, every male twenty years old or older who could serve in the army — 21those registered from the tribe of Reuben numbered forty-six thousand, five hundred. 22The descendants of Simeon — their lineage, by their clans and ancestral houses, those registered, counted by name, head by head, every male twenty years old or older who could serve in the army — 23those registered from the tribe of Simeon numbered fifty-nine thousand, three hundred.
