The reason is that there is good evidence that Esther’s husband, King Ahasuerus, was identical to Xerxes the Great. We have ancient Greek records about Xerxes’ queen, a certain Amestris.
Xerxes the Great. Xerxes the Great was the son of Darius the Great... In any case, Xerxes the Great was one of the most powerful kings of ancient Iran for several important reasons ... It is true that Xerxes’ expedition was ultimately a failure.