Esther 2:2-3

Hegai : a eunuch official in charge of the harem of King Ahasuerus

Susa : capital city of Elam and winter home of the Persian kings (OS)
(32° 11´, 48° 15´)

Esther 2:17

Esther : second queen of Ahasuerus

Vashti : queen of Ahasuerus

Esther 2:19

Mordecai : a leader among those who returned from exile with Zerubbabel,son of Jair of Benjamin; cousin and guardian of Queen Esther