 Neoptolemus had taken Andromache, Helenus's sister-in-law, and Hector's widow, as a slave and concubine after the fall of Troy, and fathered Molossus, Pielus and Pergamus with her.After the fall of Troy, Helenus went with Neoptolemus, according to Apollodorus' Epitome 6.13.He traveled with Neoptolemus, Andromache and their children to Epirus, where Neoptolemus permitted him to found the city of Buthrotum.