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=germ/F=Philippe/N=de@Lannoy@*@de@Molembais,@de@Solre,@de@Tourcoing
Philippe de Lannoy * de Molembais, de Solre, de Tourcoing
alternatively: /cgi-bin/llmult/LANG=germ/P=36004010