According to some, it was derived from Nisus, who is said to have been his father, or at least to have educated him.
- Apollonius Rhodius. Argonautica ii, 905; iv, 431.
- Cicero. On the Nature of the Gods iii, 23.
- Diodorus Siculus. Historical Library i, 15; iii, 68.
- Homer. Iliad vi, 133; Hymns xxv, 5.
- Ovid. Metamorphoses iv, 13.
- Smith, William. (1870). Dictionary of Greek and Roman Biography and Mythology. London: Taylor, Walton, and Maberly.
- Virgil. Aeneid vi, 806.
This article incorporates text from Dictionary of Greek and Roman Biography and Mythology (1870) by William Smith, which is in the public domain.