Complex sentence: In the 1348, they sold the castle to the Prince-Bishop Preczlaus of Pogarell (1341--1376), and since that time, the castle belonged to the Bishops of Breslau.
Split into simpler sentences: In the 1348, they sold the castle to the Prince-Bishop Preczlaus of Pogarell (1341--1376). Since that time, the castle belonged to the Bishops of Breslau.