'Royal' in the Bible

May the king be further advised that if this city is rebuilt and its walls erected, its citizens will refuse to pay tributes, taxes, and tariffs, thereby restricting royal revenues.

Now, because we are royal employees and are committed to preserving the reputation of the king, we have written to the king and have declared its contents to be true,

Furthermore, provide from the royal treasury whatever else may be needed for the Temple of your God.

I, Artaxerxes, in my capacity as king, hereby decree to all royal treasuries beyond the Euphrates River that whatever Ezra the priest-scribe of the Law of the God of Heaven, may require of you are to be performed with all due diligence,