Complex sentence: Castiglione was assisted in his paintings by a number of court painters; for example, in the painting "Deer Hunting Patrol" (哨鹿圖, "Shaolutu"), he would be responsible for painting the portraits of the emperor and other officials on horseback.
Split into simpler sentences: Castiglione was assisted in his paintings by a number of court painters. For example, in the painting "Deer Hunting Patrol" (哨鹿圖, "Shaolutu"), he would be responsible for painting the portraits of the emperor and other officials on horseback.