portrait of <a href="https://en.wikipedia.org/wiki/de:Christian_Matthias_Schr%C3%B6der" class="extiw" title="w:de:Christian Matthias Schröder">w:de:Christian Matthias Schröder</a> (1742-1821), merchant and mayor of Hamburg
<div class="fn value">
probably <a href="https://en.wikipedia.org/wiki/de:Friedrich_Carl_Gr%C3%B6ger" class="extiw" title="w:de:Friedrich Carl Gröger">w:de:Friedrich Carl Gröger</a> (1766-1838)</div>
circa 1810 <div style="display: none;">date QS:P571,+1810-00-00T00:00:00Z/9,P1480,Q5727902</div>
scan from Richard Roberts: Schroders, Merchants &amp; Bankers. Basingstoke, UK: Macmillan Press 1992, <a href="//commons.wikimedia.org/wiki/Special:BookSources/0-333-44511-2" title="Special:BookSources/0-333-44511-2">ISBN 0-333-44511-2</a>