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=Francisco@de@Borja/N=de@Soto@y@Martorell@*@de@Escalona@*@de@Villena
Francisco de Borja de Soto y Martorell * de Escalona * de Villena
alternatively: /cgi-bin/llmult/LANG=germ/P=20004993
Francisco de Borja de Soto y Martorell * de Escalona * de Villena