Peter V and Louis I of Portugal, as Prince Royal and Infante of Portugal, respectively.
<div class="fn value">
<b><a href="https://en.wikipedia.org/wiki/William_Barclay_(painter)" class="extiw" title="w:William Barclay (painter)">William Barclay</a></b> (1797–1859)</div>
1843<div style="display: none;">date QS:P571,+1843-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external text" href="https://www.rct.uk/collection/421674">Royal Collection RCIN 421674</a>