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=Antonio/N=de@Mendoza@Velasco@Manrique@de@Lara@*@de@Nájera@*@de@Cañete@y@de@Belmonte@*@de@la@Revilla,@de@Treviño@y@de@Valencia@de@Don@Juan
alternatively: /cgi-bin/llmult/LANG=germ/P=20016562