Conrad Jacob Gerbrand Copes van Hasselt
Conrad Jacob Gerbrand Copes van Hasselt was born in Haarlem. He was a member of the Council of State during the reign of Willem I and Willem II and a judge at the Imperial Court of Justice.
He was the previous owner of the painting Portrait du Sieur Speyrat [Speyart] de Woerden by Salomon de Bray (Schloss German no. 24/ French no. 30). The picture was sold at his sale on 20 April 1888 in Amsterdam at C.F. Roos & Co.