According to the RKD He was born in
Heidelberg and learned to paint from his father, the landscape painter
Johann Heinrich Roos. In 1682-1685 he studied at the drawing academy of the
Confrerie Pictura in the Hague, and in 1686 he travelled to Rome where he worked with his brother
Philipp Peter Roos (Rosa di Tivoli) in Italy. He is known for Italianate landscapes with animals and portraits. He died in 1731 in
Braunschweig. ==References==