Louis Bernard Coclers, Study of selfportrait (right) and portraits of his son (top left) and father (top bottom). Drawing (1780) in the collection of the Rijksmuseum Amsterdam.
<bdi><a href="https://en.wikipedia.org/wiki/en:Louis_Bernard_Coclers" class="extiw" title="w:en:Louis Bernard Coclers"><span title="Dutch painter (1741-1817)">Louis Bernard Coclers</span></a>
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Website Rijksmuseum Amsterdam