5858120 Father Hennepin and Two Companions Made Prisoners by the Sioux, April 1680, 1847-48 (oil on canvas) by Catlin, George (1796-1872); 42x60.5 cm; National Gallery of Art, Washington DC, USA; (add.info.: Father Louis Hennepin (1626-1704) Belgian priest sent with two others by Lasalle as an advance party to search for the Mississippi River. They followed the Illinois River to its junction with the Mississippi, but were captured by a Sioux war party and carried off for a time into what is now the state of Minnesota. Henri de Tonti (1649/50-1704) Italian lieutenant to Rene-Robert Cavelier, Sieur de La Salle (1643-87) French explorer and fur trader in North America).