theogony(n = noun.cognition) - the study of the origins and genealogy of the gods;
is a kind of bailiwick, discipline, field, field of study, study, subject, subject area, subject field

   The generation or genealogy of the gods; that branch of heathen theology which deals with the origin and descent of the deities; also, a poem treating of such genealogies; as, the Theogony of Hesiod. [1913 Webster]

theogony, n. (pl. -ies)
1 the genealogy of the gods.
2 an account of this.

Etymology:
THEO- + Gk -gonia begetting

N  theology (natural and revealed), theogony, theosophy, divinity, hagiology, hagiography, Caucasian mystery, monotheism, religion, religious persuasion, religious sect, religious denomination, creed, article of faith, declaration of faith, profession of faith, confession of faith, theologue, theologian, scholastic, divine, schoolman, canonist, theologist, the Fathers, theological, religious, denominational, sectarian.