Complex sentence: After the fall of the Hohenstaufen dynasty, the castle was pledged several times; it finally fell to the Dukes of Palatinate-Simmern and Zweibrücken in 1410 and decayed after the Thirty Years' War.
Split into simpler sentences: After the fall of the Hohenstaufen dynasty, the castle was pledged several times. It finally fell to the Dukes of Palatinate-Simmern and Zweibrücken in 1410 and decayed after the Thirty Years' War.