Helenus found the city of Buthrotum. After Neoptolemus left Epirus, he left Andromache and their sons in Helenus's care. Neoptolemus was killed by Orestes, Agamemmon's son, in dispute over Hermione, the daughter of Menelaus and Helen, whom Orestes had been promised as wife, but whom Neoptolemus had taken. As the kingdom of Neoptolemus was partitioned, this led to Helenus acquiring the rule of Buthrotum, as king. "Helenus, a son of Priam, was king over these Greek cities of Epirus, having succeeded to the throne and bed of Neoptolemus." Andromache bore him a son, Cestrinus, who is identified with Genger or Zenter,
Neoptolemus (general) lists the satrapy of Carmania as assigned to Neoptolemus after the death of Alexander; however, Diodorus and Justin assign this satrapy to Tlepolemus instead. A. G. Roos revised Dexippus' text to assign Carmania to Tlepolemus and Armenia to Neoptolemus. Pat Wheatley and Waldemar Heckel found this revision to be unlikely to represent the original text, and considered it more likely that the fragment of the text of Dexippus includes a scribal error, as "Neoptolemus" is an easy corruption of "Tlepolemus". Neoptolemus apparently campaigned in Armenia after the death of Alexander, but his official status in this area is unclear; he