Complex sentence: In 1695 the Commandant was captain Heinrich Nicolaus Rüdinger, the forefather of future Patriarch Alexy II of Russia was knighted by Charles XI of Sweden.
Split into simpler sentences: In 1695 the Commandant was captain Heinrich Nicolaus Rüdinger, forefather of future Patriarch Alexy II of Russia. Rüdinger was knighted by Charles XI of Sweden.