Theogony

Theogony (Greek: Θεογονία, theogonia = the birth of God(s)) is a poem by Hesiod describing the origins and genealogies of the gods of the ancient Greeks, composed circa 700 BC. The title of the work comes from the Greek words for "god" and "seed".
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Noun
1. the study of the origins and genealogy of the gods
(hypernym) discipline, subject, subject area, subject field, field, field of study, study, bailiwick, branch of knowledge

(n.)
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.
  

Theogony [from Greek theogonia from theos god + gon generation] A genealogy of gods or divine beings, or a treatise on this, such as that of Hesiod; more generally, the philosophical science which traces the coming into being of any hierarchical universe by means of the succeeding hosts of divinities which, by manifesting themselves on various planes, produce the composite universe. A universe is in its origin and essence divine, built by and of the substance of the hierarchies of gods. It is the spiritual aspect of cosmogony or world-building.

n.
ديوتاؤں کي اصل و نسل کا بيان, نسب نامہ, ارباب, ديوتاؤں کا شجرہ