Hyginus, Fabulae 127 "Telegonus", recounts the details of Telegonus' parentage and mentions his connections to the settlement of Italy.
Hyginus Fabulae, 127

     Aeschylus, frg. 377 Ἐκλογ. διαφ. λέξ. An. Oxon. II 443, 11 Cram. = Etym. Gudian. p. 578, 9 Stef.:
τινὲς δὲ τὸν ‘Ζαγρέα’ υἱὸν Ἅιδου φασίν, ὡς Αἰσχύλος ἐν Σισύφωι· ΣΙΣ[ύφος]—
     Ζαγρεῖ τε νῦν με καὶ πολυξένωι πατρὶ      χαίρειν <⏑ – × – ⏑ – × – ⏑ ×>’


     Aeschylus, frg 377
According to ancient source Eklogae diaphanae lexeis (Select exceptional texts), collected by the Anonymous Oxyrrynchus scribe II.443
     Some authors say that Zagreus was the son of Hades, e.g. Aeschylus in his tragedy Siphyus: "... now, give my regards to Zagreus and to his hospitable father". — translation RTMacfarlane