Complex sentence: The Frontenac was named after a late 17th century governor of New France and was the model name was used previously from 1931 to 1933 on a car assembled in Toronto by Dominion Motors.
Split into simpler sentences: The Frontenac was named after a late 17th century governor of New France. The name had been used previously, from 1931 to 1933, on a car assembled in Toronto by Dominion Motors.