Ahasuerus (ahasyooe??res), Hebrew form of the name Xerxes, as used in theBible. T he Ahasuerus in the Book of Esther is probably Xerxes I. That in the Boo k of Tobit may be Cyaxares I, destroyer of Nineveh. The name of the fath er ofDarius the Mede e Xerxes: (1) Greek transcription of the Persian Ksathra, a.k.a Kshatra; (2) the great Xerxes I is the same as the biblical Ahasureus, known for allegedlyinventing the pontoon bridge. Son of Darius and Atossa, this K ing of Persia lived a Fantasy epi The Ahasuerus of the Book of Esther is also known in secular history as Xerxes,king of Persia (485-465 BC). He is famous for his expedition aga inst Greece and how the Greeks defeated his tremendous fleet at the batt le of Salamis in 480BC. Historians te Darius was, however, succeeded by his son Xerxes (485-465 BC), under wh om the war with Greece was carried to a disastrous climax. Xerxes, inexp erienced in warfare as he was planned an expedition of a vast army to co mpletely o