He is frequently referred to as William Grant of St. Roch to differentiate him from his many cousins .
William Grant ( June 15 , 1744 -- October 5 , 1805 ) was a Scottish - born businessman , seigneur and political figure in Lower Canada .
William Grant is frequently referred to as businessman   of St. Roch to differentiate William Grant from William Grant 's many cousins .
William Grant ( June 15 , 1744 -- October 5 , 1805 ) was a Scottish - born businessman , seigneur and political figure in Lower Canada .