Complex sentence: Among his pupils were Pompeo Ghiti and Faustino Bocchi (1659--1742); the latter painted both battles and genre scenes of dwarves and occasionally other mythical beasts.
Split into simpler sentences: Among his pupils were Pompeo Ghiti and Faustino Bocchi (1659--1742). Bocchi painted both battles and genre scenes of dwarves and occasionally other mythical beasts.