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=Veit@Ernst/N=Künigl@*@zu@Ehrenburg@u.@v.Warth
Veit Ernst Künigl * zu Ehrenburg u. v.Warth
alternatively: /cgi-bin/llmult/LANG=germ/P=55006735