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=Johann!@Albrecht!@Werner@Adolf@Hermann-Moritz/N=v.der@Schulenburg
Johann! Albrecht! Werner Adolf Hermann-Moritz v.der Schulenburg
alternatively: /cgi-bin/llmult/LANG=germ/P=63004084
Johann! Albrecht! Werner Adolf Hermann-Moritz v.der Schulenburg