Luise Viktorine Rücker, mère du chancelier <a href="//commons.wikimedia.org/wiki/Bernhard_von_B%C3%BClow" title="Bernhard von Bülow">Bernhard von Bülow</a>
<bdi><a href="//commons.wikimedia.org/wiki/Category:19th-century_unidentified_photographers" title="Category:19th-century unidentified photographers">Unidentified photographer</a>
</bdi>
19<sup>th</sup> century <div style="display: none;">date QS:P571,+1850-00-00T00:00:00Z/7</div>
Mémoires du chancelier Prince de Bülow, 1931