History of the Peloponnesian War

The same summer the Aetolians, having before [the invasion of their country] sent as envoys to Corinth and Lacedaemon, Tolophus the Ophionean, Boriades the Eurytanian, and Tisander the Apodotian, persuaded them to send them an army to attack Naupactus, because it had brought the Athenians against them.

And the Lacedaemonians despatched about autumn three thousand heavy-armed of the allies; five hundred of whom were from Heraclea, their newly founded city in Trachis. Eurylochus, a Spartan, had the command of the force, accompanied by Macarius and Menedaeus, who were also Spartans;