 Complete the following phrase:  Medius belonged to a noble Thessalian family, possibly related to the Aleuadae clan. According to Diodorus Siculus Library of History, XIV.82, his namesake grandfather was a dynast in Larissa in 395. He is first mentioned as commanding a trireme during the descent of the Indus River Arrian, Indica, 18 in 326 BC, but according to the historian Richard Billows it is likely that he was a member of Alexander the Greats 