Portrait of a young man; possibly Simon van Alphen (1650-1730); Portrait of a young man from the Van Alphen family; probably Simon van Alphen. Knee; leaning against a tree. Gestures with the left hand; the right hand in the side. In the background a landscape with a waterfall; historical persons; waterfall; Simon van Alphen; Nicolaes Maes; 1675 - 1685; oil paint (paint); canvas; h 71.5 cm x w 57.2 cm d 4.5 cm