Former Persian king and father of Xerxes.
Their father-son bond motivates Xerxes's campaign of revenge.
The plot identifies King Darius as Xerxes' father, and Xerxes witnesses Darius's death at Marathon.
Themistocles's victory over Darius becomes the central cause of Xerxes's revenge.
Themistocles kills King Darius during the Battle of Marathon.
Explore the full interactive character relationship map of 300: Rise of an Empire
Related entry on Wikidata (Q44387), public domain (CC0).