#37490 Fredinand Keller (1842-1922 : 1809-1861)

The picture has something of this: nude, people, woman, man, son, portrait, two, reclining, Renaissance, wear, veil, affection, shirtless, god, girl.
Perhaps it’s a painting of a woman sitting on a bed with her hand in her mouth and holding a knife in her other hand, with a sky in the background.