Forasmuch as thou art sent of the king, and of his seven counsellers, to inquire concerning Judah and Jerusalem, according to the law of thy God which is in thine hand; His seven counsellors - It is very likely that the privy counsel of the king consisted of seven persons simply. The names of these seven counsellors or chamberlains may be found in the book of Esther, Esther 1:10.
Related Commentaries of Ezra 7:14
Ezra 7:14
14 Forasmuch as thou art sent of the king,b and of his seven counsellors, to enquire concerning Judah and Jerusalem, according to the law of thy God which is in thine hand;