In the spring of 498 BC, an Athenian force of twenty triremes, accompanied by five from Eretria, set sail for Ionia.Holland, pp. 160–162. They joined up with the main Ionian force near Ephesus.Herodotus V, 100 Declining to personally lead the force, Aristagoras appointed his brother Charopinus and another Milesian, Hermophantus, as generals.Herodotus V, 99
