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=Diego/N=Hurtado@de@Mendoza@y@Figueroa@*@de@Santillana,@de@Argueso@y@de@Campoo@*@del@Real@de@Manzanares@y@de@Saldaña@*@de@Mendoza@y@de@la@Vega,@de@Hita@y@Buitrago@*@del@Infantado
alternatively: /cgi-bin/llmult/LANG=germ/P=20015188