noun Classical Mythology.
a son of Alcmene and Amphitryon, the brother of Hercules.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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Iphicles (Iph′icles) was twin brother of Hercules, and father of Iolaus.1000 Mythological Characters Briefly Described
Edward S. Ellis