Joseph & Mary went to Bethlehem because it was the "City of" this king & Joseph came from his lineage
- Hope of Israel Website [PAR] The Messiah's father Joseph was a commoner, but blessed as was also his wife, 
... in Bethlehem of Judaea in the days of Herod the king, behold there came wise 
men ... Mary was a cousin to Elisabeth (Luke 1:36) who was from the lineage of 
the ... into Judaea, unto the city of David, which is called Bethlehem; (because he
... [DOC] [TLE] The Census - Gods Plan?