3rd Duke of Portland, Prime Minister in 1783 and from 1807 to 1809. This portrait was donated to the University of Oxford in 1812, and was exhibited for the first time at the Royal Academy in 1814.
<bdi><a href="https://en.wikipedia.org/wiki/en:Benjamin_West" class="extiw" title="w:en:Benjamin West"><span title="18th and 19th-century English painter">Benjamin West</span></a>
</bdi>
1804<div style="display: none;">date QS:P571,+1804-00-00T00:00:00Z/9</div>
<ul><li><a href="//commons.wikimedia.org/wiki/File:3rd_Duke_of_Portland_1804.jpg" title="File:3rd Duke of Portland 1804.jpg">3rd_Duke_of_Portland_1804.jpg</a>: <a href="https://en.wikipedia.org/wiki/Benjamin_West" class="extiw" title="w:Benjamin West">Benjamin West</a><br>Original uploader was <a href="https://zh.wikipedia.org/wiki/User:Clithering" class="extiw" title="zh:User:Clithering">Clithering</a> at <a class="external text" href="https://zh.wikipedia.org">zh.wikipedia</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/w/index.php?title=User:Adam_sk&amp;action=edit&amp;redlink=1" class="new" title="User:Adam sk (page does not exist)">Adam sk</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Adam_sk" title="User talk:Adam sk"><span class="signature-talk">talk</span></a>)</li></ul>