(Πληϊόνη), a daughter of Oceanus, and mother of the Pleiades by Atlas. (Apollod. 3.10.1; Pind. Fragm. 53; comp. ATLAS; PLEIADES.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890