(Δηώ), another name for Demeter. (Hom. Hymn. in Dem. 47; Aristoph. Pl. 515; Soph. Antig. 1121; Orph. Hymn. 38. 7; Apollon. 4.988; Callim. Hymn. in Cer. 133; Schol. ad Theocrit. 7.3.) The patronymic form of it, Deiois, Deoine, or Deione, is therefore given to Demeter's daughter, Persephone. (Ov. Met. 6.114; Athen. 10.449.)
[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