Numbers 1:18

1:18 They assembled all the congregation together on the first day of the second month; and they declared their ancestry by their families, by their fathers' houses, according to the number of the names, from twenty years old and upward, one by one.
-World English Bible

Other Translation

1:18 And they assembled all the congregation together on the first [day] of the second month, and they declared their pedigrees after their families, by the house of their fathers, according to the number of the names, from twenty years old and upward, by their polls.
-King James Version