Numbers 1:45

So all those listed of the people of Israel, by their fathers’ houses, from twenty years old and upward, every man able to go to war in Israel—

All the Israelites twenty years old or more who were able to serve in Israel’s army were counted according to their families.

So all the Israelites twenty years old or more, everyone who could serve in Israel’s army, were registered by their ancestral families.

They were registered by families—all the men of Israel who were twenty years old or older and able to go to war.

So all those who were counted from the Israelites according to their families, from those twenty years old and above, everyone in Israel who is able to go to war.

So were all those that were numbered of the children of Israel, by the house of their fathers, from twenty years old and upward, all that were able to go forth to war in Israel;