Esther 1:14

1:14 Those who were closest to him were Carshena, Shethar, Admatha, Tarshish, Meres, Marsena, and Memucan. These men were the seven officials of Persia and Media who saw the king on a regular basis and had the most prominent offices in the kingdom.

Esther 1:19

1:19 If the king is so inclined, let a royal edict go forth from him, and let it be written in the laws of Persia and Media that cannot be repealed, that Vashti may not come into the presence of King Ahasuerus, and let the king convey her royalty to another who is more deserving than she.

Esther 10:2

10:2 Now all the actions carried out under his authority and his great achievements, along with an exact statement concerning the greatness of Mordecai, whom the king promoted, are they not written in the Book of the Chronicles of the Kings of Media and Persia?