Harmo'nia
daughter of Gelon, the son of Hieron II., king of Syracuse.
She was married to a Syracusan named Themistus, who, after the death of Hieronymus (B. C. 215) was elected one of the captains-general of the republic; but these being soon overthrown by a fresh revolution, in which Themistus perished, a decree was passed condemning to death all surviving members of the family of Hieron; and, in pursuance of this barbarous resolution, Harmonia was immediately put to death, together with Demarata and Heraclea, the daughters of Hieron. (
Liv. 24.24,
25;
V. Max. 3.2.
ext. ยง 9.)
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E.H.B]