None. There is no Greek goddess Ianus.
Found in link below.
All of the gods were related, however loosely. Aphrodite herself was created when Cronus castrated Ouranos and and tossed it into the sea, and she rose from the foam. She was married to Hephaestus,...
she is the daughter of the sea son Thaumas and the wind spirit Elektra
Greek deities do not have dates of birth.
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