Artists related to CoBrA here is a list of artists related to CoBrA Knud Nilesen Erik Thommesen Egon Mathiesen Pierre Wemaere Alfred Lilliendahll Pol Bury Jacques Calonne Hugo Claus Georges Collignon Jan Cox Jan Elburg Uffe Harder Marcel Havrenne Luc De Heusch Josef Istler Eduard Jaguer Tage Mellerup Yoshio Nakajima