c.1618. Oil on canvas. The Hermitage, St. Petersburg, Russia. Read Note.
The Union of Earth and Water. The four elements, Earth, Air, Fire, and Water, were considered to be fundamental elements of the world contents, and were usually depicted as classical gods and goddesses. Earth is personified by Demeter (Ceres); Water is personified by a river god; Air is usually represented by Hera (Juno); Fire is represented by Hephestus (Vulcan) or may be depicted as a woman with her head in flames