Complex sentence: The town originated in the 14th century as a sloboda assigned to the Annunciation Monastery, founded by Saint Sergius of Radonezh, who lived in the area from 1354 until 1358.
Split into simpler sentences: The town originated in the 14th century as a sloboda assigned to the Annunciation Monastery. The latter was established by Saint Sergius of Radonezh, who lived in the area from 1354 until 1358.