Radisson and des Grosseilliers would also travel and trade together , as they did throughout the 1660s and 1670s .
Her brother , Pierre - Esprit Radisson , also became a notable figure in the fur trade and is often mentioned in the same breath as des Groseilliers .
Pierre - Esprit Radisson and des Grosseilliers would also travel and trade together , as they did throughout the 1660s and 1670s .
Her brother , Pierre - Esprit Radisson , also became a notable figure in the fur trade and is often mentioned in the same breath as des Groseilliers .