and Simeon blessed them, and said to Mary, his mother, "Behold, this child is set for the falling and the rising of many in Israel, and for a sign which is spoken against.

 If that was the case in Egypt, it may well be that in Judaea, where the old tribal ancestries still held good, men had to go to the headquarters of their tribe. Here is an instance where further knowledge has shown the accuracy of the New Testament. 