Note that the index numbers are only technical numbers which have no persistence. After a new system generation is done, all of them are invalid. To generate a persistent link, use the name.Use the URL:
http://ww-person.com/cgi-bin/l3/LANG=engl/F=Guillaume/N=de@Luyrieux@*@de@Luyrieux,@Cule,@Montvéran,@Prangin@et@Villard
Guillaume de Luyrieux * de Luyrieux, Cule, Montvéran, Prangin et Villard
alternatively: /cgi-bin/llmult/LANG=germ/P=7007145
Guillaume de Luyrieux * de Luyrieux, Cule, Montvéran, Prangin et Villard