KJV:
The family of the house of Levi apart, and their wives apart; the family of Shimei apart, and their wives apart;
NASB:
the family of the house of Levi by itself and their wives by themselves; the family of the Shimeites by itself and their wives by themselves;
KJV:
All the families that remain, every family apart, and their wives apart.
NASB:
all the families that remain, every family by itself and their wives by themselves.