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=Juan@de@Mata@Antonio@José@Romualdo@Benito/N=Fernández@de@Córdova@y@Ameller
Juan de Mata Antonio José Romualdo Benito Fernández de Córdova y Ameller
alternatively: /cgi-bin/llmult/LANG=germ/P=20028314
Juan de Mata Antonio José Romualdo Benito Fernández de Córdova y Ameller