'Royal' in the Bible

And the king spake unto Ashpenaz the master of his eunuchs, that he should bring in certain of the children of Israel, even of the seed royal and of the nobles;

At the end of twelve months he was walking in the royal palace of Babylon.

The king spake and said, Is not this great Babylon, which I have built for the royal dwelling-place, by the might of my power and for the glory of my majesty?

All the presidents of the kingdom, the deputies and the satraps, the counsellors and the governors, have consulted together to establish a royal statute, and to make a strong interdict, that whosoever shall ask a petition of any god or man for thirty days, save of thee, O king, he shall be cast into the den of lions.