The seal of Anund Sture from 1323
Unknown author<span style="display: none;">Unknown author</span>
<a href="//commons.wikimedia.org/wiki/Nordisk_familjebok" title="Nordisk familjebok">Nordisk familjebok</a> (1917), vol.25, s. 781 <a rel="nofollow" class="external autonumber" href="http://runeberg.org/nfce/0415.html">[1]</a>