During Vashti 's father 's rule , mobs of Medes and Persians attacked .
According to the Midrash , Vashti was the great - granddaughter of King Nebuchadnezzar II of Babylon , the granddaughter of King Amel - Marduk and the daughter of King Belshazzar .
During great - granddaughter 's father 's rule , mobs of Medes and Persians attacked .
According to the Midrash , Vashti was the great - granddaughter of King Nebuchadnezzar II of Babylon , the granddaughter of King Amel - Marduk and the daughter of King Belshazzar .