Portrait of <a href="https://en.wikipedia.org/wiki/en:John_II,_Duke_of_Schleswig-Holstein-Sonderburg" class="extiw" title="w:en:John II, Duke of Schleswig-Holstein-Sonderburg"><span title="Duke of Schleswig-Holstein-Sonderburg">John the Younger, Duke of Schleswig-Holstein-Sonderburg</span></a> (1545-1622), son of <a href="https://en.wikipedia.org/wiki/en:Christian_III_of_Denmark" class="extiw" title="w:en:Christian III of Denmark"><span title="King of Denmark and Norway">Christian III of Denmark</span></a>
<bdi><a href="//commons.wikimedia.org/wiki/Category:16th-century_portrait_paintings_of_men,_artist_and_year_missing" title="Category:16th-century portrait paintings of men, artist and year missing">Unidentified painter</a>
</bdi>
16<sup>th</sup> century <div style="display: none;">date QS:P571,+1550-00-00T00:00:00Z/7</div>
not provided by the uploader: <a href="//commons.wikimedia.org/wiki/User:Wootelef" title="User:Wootelef">Wootelef</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Wootelef" title="User talk:Wootelef">talk</a>)