19
and lastly, they found that Messene was theirs as a prize taken in war, for Heracles, when he had been robbed of the cattle from Erytheia,To fetch the cattle of Geryon from Erytheia, an island off the coast of Spain, was the tenth labor imposed on Heracles by Eurystheus. See Apollod. 2.5.10. by Neleus and all his sons except Nestor, had taken the country captive and slain the offenders, but had committed the city to Nestor’s charge, believing him to be prudent, because, although the youngest of his brethren, he had taken no part in their iniquity.
20
Assuming this to be the purport of the oracle, they joined forces with your forefathers and organized an army, sharing meantime their own country with their followers,That is, the common folk of the Dorians as distinguished from the descendants of Heracles, the ancestors of Archidamus. but receiving from them the kingship as the prize reserved for themselves alone; then having confirmed these covenants by mutual pledges, they set out upon the expedition.