ASV

Of the children of Joseph, namely, of the children of Ephraim, their generations, by their families, by their fathers’ houses, according to the number of the names, from twenty years old and upward, all that were able to go forth to war;

KJV

Of the children of Joseph, namely, of the children of Ephraim, by their generations, after their families, by the house of their fathers, according to the number of the names, from twenty years old and upward, all that were able to go forth to war;