Complex sentence: Saint Modoald, also known as Romoald, is the patron saint of the Reichsabtei Helmarshausen, was an archbishop of Trier, 626-645.
Split into simpler sentences: Saint Modoald, also known as Romoald, is the patron saint of the Reichsabtei Helmarshausen. He was an archbishop of Trier, 626-645.