The extent of God's love for Levi is evident through the command given to Moses, to number in the tribe of Levi "all males from a month old and upward," whereas in the other tribes none were numbered save men able to go to war, from twenty years and upward. Upon other occasions God had even the embryos among the Levites numbered. This occurred upon Jacob's entrance into Egypt, when the number seventy for his family was attained only by including Jochebed who was still in the womb; and similarly at a future time upon the return of the exiles from Babylon. For at that time only twenty-three of the priestly sections returned, hence to complete their number they had to include Bigvai, who belonged to the missing section, even though he was still in the womb.