'Royal' in the Bible

"Against the shepherds my anger rises I am punishing the leaders also, because the LORD of the Heavenly Armies has visited his flock, the house of Judah, appointing them as his royal war horse for battle.

The land will mourn, clan by clan -- the clan of the royal household of David by itself and their wives by themselves; the clan of the family of Nathan by itself and their wives by themselves;

All the land from Geba to Rimmon south of Jerusalem will be changed into a plain. But Jerusalem will be raised up and will remain on its site from the Benjamin Gate to the place of the First Gate, to the Corner Gate, and from the Tower of Hananel to the royal winepresses.