sentences:  An active member in the political forums of his times, Charles-Flavien Des Micheaux was a Judge at the Tribunal of Commerce, a member of the Chamber of Commerce and an Administrator of the Justice department during the 1800s.Two important members of this noble family were Pierre and his son, Ernest, who invented the chain wheel bicycle in 1861.In 1643, 109 years after the first landings by Cartier, there were only about 300 people in Quebec.