signature of German sculptor <a href="https://de.wikipedia.org/wiki/Johannes_Schilling" class="extiw" title="de:Johannes Schilling">Johannes Schilling</a> (1828-1910) on the grave of the Friedrich August Siemens Family
<a href="//commons.wikimedia.org/wiki/User:Seauton" title="User:Seauton">Seauton</a>, 2 May 2023
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>