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=engl/F=Felix@Maria@Maximilian@Hubertus/N=v.Vittinghoff@gen.@Schell@zu@Schellenberg
Felix Maria Maximilian Hubertus v.Vittinghoff gen. Schell zu Schellenberg
alternatively: /cgi-bin/llmult/LANG=germ/P=53009157
Felix Maria Maximilian Hubertus v.Vittinghoff gen. Schell zu Schellenberg