The Rey Commission (1967–1970) is the first single Commission, resulting from the Treaty merging the executive bodies of the three European Communities, signed in Brussels on 8 April 1965. The Commission is composed of 14 members. Second row from the left: Jean-François Deniau, Guido Colonna di Paliano, Wilhelm Haferkamp, Hans von der Groeben, Albert Coppé, Emmanuel Sassen, Henri Rochereau, Victor Bodson and Edoardo Martino. First row: Raymond Barre, Sicco Mansholt, Jean Rey, Lionello Levi Sandri and Fritz Hellwig.