Ezra 4:22

4:22 Exercise appropriate caution so that there is no negligence in this matter. Why should danger increase to the point that kings sustain damage?”

Ezra 6:10

6:10 so that they may be offering incense to the God of heaven and may be praying for the good fortune of the king and his family. ¹ 

[6:10]  ¹ tn Aram “for the life of the king and his sons.”