2. A daughter of Asopus and Metope, the daughter of Ladon, became by Zeus the mother of Zethus.
She, too, is said to have given her name to the city of Thebes. (Apollod. 3.5.6; Paus. 2.5.2, 5.22.5; Pind. Isthm. 8.37; Diod. 4.72.) [L.S]
William Smith. A Dictionary of Greek and Roman biography and mythology. London. John Murray: printed by Spottiswoode and Co., New-Street Square and Parliament Street. In the article on Soranus, we find: "at this present time (1848)" and this date seems to reflect the dates of works cited. 1873 - probably the printing date.