Complex sentence: Eventually, 138 portraits and scenes were completed and delivered to Jean-de-Dieu Soult, Chairman of the Commission; currently in the possession of the Muséum National d'Histoire Naturelle.
Split into simpler sentences: Eventually, 138 portraits and scenes were completed and delivered to Jean-de-Dieu Soult, Chairman of the Commission. They are currently in the possession of the Muséum National d'Histoire Naturelle.