deity

Hera

A Greek goddess of marriage and of Argos, often shown with a peacock in later art. The bird is a later attribute, not a Vedic peacock-theology.

Hellenic religion

Hera is associated with Peacock.
Later Greek and Roman art gives Hera the peacock. Ovid tells Argus’s eyes on the bird’s tail; that is poetry’s aetiology, not Indian peafowl cult.
from Ovid · Metamorphoses, 8 CE
associated with · sourced · documented
Hera belongs to Hellenic religion.
Hera is a Greek goddess of Argos and of marriage in the poems. She is not a peacock-spirit of later India.
from Hesiod · Theogony, c. 700 BCE; Walter Burkert · Greek Religion, 1977 German; 1985 English
belongs to · sourced · documented
Peacock is sacred to Hera.
The same pairing. A South Asian bird in a Mediterranean garden-story.
from Ovid · Metamorphoses, 8 CE
sacred to · sourced · documented
Apples of the Hesperides is sacred to Hera.
Hesiod’s Theogony gives Hera the Hesperides as keepers of her golden apples. A named fruit of that goddess, not the Golden Fleece, and not the Golden Bough.
from Hesiod · Theogony, c. 700 BCE
sacred to · sourced · documented