Diana and Callisto Dosso (Giovanni Francesco di Niccolò di Luteri) Dossi (1489-1542)

The picture has something of this: nude, people, tree, two, man, water, woman, nymph, Renaissance, saint, lithograph, group, river, god.
Perhaps it’s a painting of a woman laying on top of a body of water next to a man in a green dress and a woman in a red dress.