Editing Thestius (section)

== Mythology ==
Thestius was allied with [[Tyndareus]] and [[Icarius]] against [[Hippocoon]].<ref>Apollodorus, [https://www.perseus.tufts.edu/hopper/text?doc=Apollod.+3.10.5&fromdoc=Perseus%3Atext%3A1999.01.0022:boo=0:chapter=0&highlight=Thestius 3.10.5]</ref> According to [[Strabo]], when Tyndareus and his brother Icarius, after being banished by Hippocoön from their homeland, went to Thestius, the king of the Pleuronii. The king helped the two brothers to acquire possession of much of the country on the far side of the [[Achelous|Acheloüs]] on condition that they should receive a share of it. Tyndareus, however, went back home, having married Leda, the daughter of Thestius, whereas Icarius stayed on, keeping a portion of [[Acarnania]], and by [[Polycaste]], the daughter of Lygaeus, begot both Penelope and her brothers.<ref name=":1">[[Strabo]], [https://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:1999.01.0198:book=10:chapter=2&highlight=thestius 10.2.24]</ref>

In a rare variant of the myth by [[Plutarch]], the river Achelous in Aetolia was formerly called after Thestius. This Thestius who upon some domestic discontent traveled as far as [[Sicyon]], where he had resided for some time, returned to his native home. But finding there his son Calydon and his mother [i.e. Pisidice] both upon the bed together, believing him to be an adulterer, slew his own child by a mistake. But when he beheld the unfortunate and unexpected fact he had committed, he threw himself into the river [[Achelous River|Axenos]], which from thence was afterwards called Thestius.<ref name=":0" />