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=fran/F=Godefroid@I./N=van@Gavre@*@de@Fresin,@de@Mussain@et@d'Ollegnies
Godefroid I. van Gavre * de Fresin, de Mussain et d'Ollegnies
alternatively: /cgi-bin/llmult/LANG=germ/P=32000523
Godefroid I. van Gavre * de Fresin, de Mussain et d'Ollegnies