The Mus??e des Beaux-Arts, at 3 Place Stanislas, has a good collection of European art ' notably Tintoretto, Ruysdael, Van Goyen, Ribera, and Rubens, with the French represented by Delacroix, Courbet, Bonnard, and Manet.
Delacroix Courbet, Bonnard, and Manet are French artists.
The museum is probably best for younger children.