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=Eleonore/N=de@Roye,@de@Conty,@de@Muret,@de@Breteuil@et@de@Busancy
Eleonore de Roye, de Conty, de Muret, de Breteuil et de Busancy
alternatively: /cgi-bin/llmult/LANG=germ/P=48004927
Eleonore de Roye, de Conty, de Muret, de Breteuil et de Busancy