We are almost entirely dependent on a summary of the Cyclic epics contained in the Chrestomathy attributed to an unknown "Proclus" (possibly to be identified with the 2nd-century AD grammarian Eutychius Proclus).
For its storyline we are almost entirely dependent on a summary of the Cyclic epics contained in the Chrestomathy written by an unknown "Proclus" (possibly to be identified with the 2nd century CE grammarian Eutychius Proclus).