(Δηϊώνη), that is, the daughter of Deo or Demeter, is used as a name for Persephone. (Callimach. Fragm. 48.) It occurs also as a proper name of the mother of Miletus. (Ov. Met. 9.442.)
[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