Hades kidnapped Persephone as his wife. Demeter begged for her daughter back and she was allowed to spend part of the year with her mother. When she comes to the Earth, it's spring. When she descends to Hades, winter.
Isis-Aphrodite - Metropolitan Museum of Art, NYC. Painted terracotta votive figure of Isis-Aphrodite, crowned and nude; syncretic icon of Egyptian- Greco-Roman worship, century CE. NY, Metropolitan Museum of Art.