Numbers 1 45
They were registered by families—all the men of Israel who were twenty years old or older and able to go to war.
Compare with other 3 random translations
KJV Numbers 1:45So 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;
ERV Numbers 1:45They counted every man who was 20 years old or older and able to serve in the army. Each man was listed with his family.
AMP Numbers 1:45So all those numbered of the Israelites, by their fathers' houses, from twenty years old and upward, able to go to war in Israel,