In the Vinony graph
Vinony's link graph records 2 inbound references to Nietzsche, and connects out to Friedrich Nietzsche, Elisabeth Förster-Nietzsche and Nietzsche-Haus.
Vinony files it under German-language surnames, Interlanguage link template forcing interwiki links and Surnames derived from given names.
Vinony links it to 9 Wikipedia language editions.