Complex sentence: Schiess also enjoyed recreating the works of old masters, which brought him great recognition for his skills and resulted in the Vatican appointing him to create portraits of all the colonels of the Swiss Guard.
Split into simpler sentences: Schiess also enjoyed recreating the works of old masters, which brought him great recognition for his skills. As a result, he was appointed by the Vatican to create portraits of all the colonels of the Swiss Guard.