The Getty and Prado museums own Roman marble copies of lost versions attributed to Timotheos.  
Cy Twombly's version in oil, pencil, and crayon has been described as an "orgiastic fusion and confusion of energies". The Getty and Prado museums own Roman marble copies of lost versions attributed to Timotheos.  Cezanne's version features a reclining nude on a blue background, while the background is red and the title characters are curled up together in London's National Gallery's copy of a lost work by Michelangelo. A copy of a lost Leonardo work of this depicts on the lower left the four newly hatched children of the title characters: Clytemnestra, Polyduces, Castor, and Helen. For 10 points, name this scene from Greek mythology featuring a woman seduced by Zeus in the guise of a waterfowl.
Cy Twombly's version in oil, pencil, and crayon has been described as an "orgiastic fusion and confusion of energies".
Leda and the Swan