and they assembled all the congregation together on the first day of the second month; and they recited their ancestry by families, by their fathers' houses, according to the number of names, from twenty years old and above, each one individually.
Numbers 1:18
Surrounding context
1:17 Then Moses and Aaron took these men who had been mentioned by name,
1:18 and they assembled all the congregation together on the first day of the second month; and they recited their ancestry by families, by their fathers' houses, according to the number of names, from twenty years old and above, each one individually.
1:19 As the LORD commanded Moses, so he numbered them in the Wilderness of Sinai.