Complex sentence: Lanzo is mentioned in the early 11th century as "Curtis Lanceii"; later, under several names, was a fief (together with its namesake valleys) to the bishops of Turin, of the house of Savoy and of the Marquisate of Montferrat.
Split into simpler sentences: Lanzo is mentioned in the early 11th century as "Curtis Lanceii". Later, under several names, was a fief (together with its namesake valleys) to the bishop of Turin, of the house of Savoy and of the Marquisate of Montferrat.