Complex sentence: Later in the 6th century, the Bishop Saint Gregory of Tours wrote his Chronicles about the Merovingian rulers, were appeared a Legend of the King Clovis I who prayed to Christ in one of his campaigns so he could find a place to cross the river Vienne.
Split into simpler sentences: Later in the 6th century, the Bishop Saint Gregory of Tours wrote his Chronicles about the Merovingian rulers. The Chronicles contains the legend of King Clovis I, who prayed to Christ in one of his campaigns so he could find a place to cross the river Vienne.