Messiah was to come while Judah had its own rulers.
nRulership comes to Judah some 500 years after the death of Jacob, about 1000 BC.
nKingship remains in Judah & DavidŐs family till 587 BC.
nThen the Maccabees rule as kings of Judah from 103 BC to 63 BC.
nThen Herod the Great rules as king of Judah from 40 BC to 4 BC.
nFinally Herod Agrippa 1 rules 41-44 AD.