Complex sentence: When his family moved to Paris, he studied first at the Gobelins school for apprentices, followed by training in the atelier of Charles Gumery, and in 1864 he was admitted to the École des Beaux-Arts.
Split into simpler sentences: When his family moved to Paris, he studied first at the Gobelins school for apprentices, followed by training in the atelier of Charles Gumery. In 1864 he was admitted to the École des Beaux-Arts.