the daughter of Abihail.

Esther 3:15
The couriers left, spurred on by the king's command, and the law was issued in the citadel of Susa. Then the king and Haman sat down to drink, but the city of Susa was in confusion.

authority.

Esther 9:20
Mordecai recorded these events and sent letters to all the Jews in all the provinces of King Xerxes, both near and far,

Esther 8:10
Mordecai wrote in the name of King Xerxes and sealed it with the royal signet ring. He sent the documents by mounted couriers riding on swift horses bred from the royal mares.