Detail of the portrait of black Welsh gardener <a href="https://en.wikipedia.org/wiki/John_Ystumllyn" class="extiw" title="en:John Ystumllyn">John Ystumllyn</a> (d. 1786), dated to 11 May 1754
Unknown author<span style="display: none;">Unknown author</span>
1754-05-11
Andrew Green. <a rel="nofollow" class="external text" href="http://gwallter.com/books/john-ystumllyn-an-african-in-18th-century-eifionydd.html">John Ystumllyn: an African in 18th century Eifionydd</a>