Of the children. So in Authorized Version, and Revised Version, but not in Hebrew text, though it is so in some codices, Samaritan Pentateuch, Septuagint, Syriac, and Vulgate. Some Jewish commentators explain it as being only "the sons", because Naphtali had more daughters than sons, and in Gen 49:51 is likened to. female (hind). Hence in Numbers 26:64 it is said, the "men" died (but the women multiplied).
Related Commentaries of Numbers 1:42
Numbers 1:42
42 Of the children of Naphtali, throughout 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;