Complex sentence: Les Wriggles is a French music group which is made up of Christophe Gendreau, Stéphane Gourdon, Frédéric Volovitch, Antoine Réjasse and Franck Zerbib.
Split into simpler sentences: Les Wriggles is a French music group. The group's members are Christophe Gendreau, Stéphane Gourdon, Frédéric Volovitch, Antoine Réjasse, and Franck Zerbib.