The magi’s coming to Jerusalem in order to pay homage to the king of the Jews shows that they seek in Israel, in the messianic light of the STAR OF DAVID, the one who will be king of the nations. Their coming means that pagans can discover Jesus and worship him as Son of God and Savior of the world only by turning towards the Jews and receiving from them the messianic promise as contained in the Old Testament.
– Catechism of the Roman Catholic Church
The six-pointed Star of David represents the royal Judaic lineage of Mary-the House of David.
– Facts, Figures and Features of the Basilica of the National Shrine of the Immaculate Conception, NationalShrine.com