Ceto minor Oceanid also named Ceto, or with various mythological beings referred to as "ketos" (plural "ketea"); this is a general term for "sea monster" in Ancient Greek. Hesiod's "Theogony" lists the children of Phorcys and Ceto as Echidna, The Gorgons (Euryale, Stheno, and the infamous Medusa), The Graeae (Deino, Enyo, Pemphredo, and sometimes Perso), and Ladon, also called the Drakon Hesperios ("Hesperian Dragon", or dragon of the Hesperides). These children tend to be consistent across sources, though Ladon is sometimes cited as a child of Echidna by Typhon and therefore Phorcys and Ceto's grandson. The Scholiast on Apollonius Rhodius cites
The Twa Sisters brought to her father's hall and plays before the entire court, telling of her sister's crime. The song also mentions her brother named Hugh, and her beloved William, and gives a name to the older sister, Anne. An early Alfred Lord Tennyson poem, "The Sisters", also bears a resemblance to the ballad: a sister scorned in love who murders the lover of her sister, and possibly the sister too, out of jealousy. The Twa Sisters "The Two Sisters" is a Northumbrian murder ballad that recounts the tale of a girl drowned by her sister. It is first known to have