History of the Peloponnesian War

But the Orchomenians, fearing the weakness of the wall and the number of the enemy, and being apprehensive lest they might perish before relief came, capitulated on condition that they should be received as allies, should give hostages for themselves to the Mantineans, and should deliver up those whom the Lacedaemonians had deposited with them.

After this, being now in possession of Orchomenus, the allies deliberated which of the remaining places they should next proceed against. The Eleans were urging them to go against Lepreum, the Mantineans against Tegea; and the Argives and Athenians sided with the Mantineans.