Lacedaemonius was the son of Cimon, a pro-Sparta general and Athenian political figure,[4] and Isodice who was the daughter of Euryptolemus I, a cousin of Pericles.
[7] Accounts cited Lacedaemonius as one of the Athenian generals sent to aid Corcyra in its conflict with Corinth after an alliance agreement concluded in 433.
[11] The Athenian fleet joined the Corcyraeans when the Corinthians finally invaded under Xenocleides.
[11] A view, which had been advanced by Plutarch, held that giving Lacedaemonius command with a meager fleet for his campaign was an insult to the sons of Cimon due their sympathy for Sparta.
[13] There are also those who propose that Lacedaemonius appointment, his mission, and the size of his fleet was part of a strategy of "minimal deterrence" against Corinth.