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=Constantin!@Maria@Ludwig@Joseph@Othmar/N=Nádhern'y@v.Borutin
Constantin! Maria Ludwig Joseph Othmar Nádhern'y v.Borutin
alternatively: /cgi-bin/llmult/LANG=germ/P=9054635