Portrait of captain baron Abraham Calkoen in the uniform of the Cuirassiers of the Guard of King Louis of Holland (1810) by J. Hari. Nationaal Militair Museum (Soest, Netherlands):

Ritmeester van het garde kurassiers van koning Lodewijk Napoleon, jonkheer Abraham Calkoen (1780-1830):

https://www.nmm.nl/zoeken-in-de-collectie/detail/973/
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Johannes Hari the Elder (1772-1849): Was a pupil of J. G. Teissier and known as a good genre and portrait painter, watercolor artist, pastellist and court miniaturist. Works by him are to be seen in the Rijksmuseum, Amsterdam and other Dutch museums.

http://resources.huygens.knaw.nl/retroboeken/vdaa/#source=aa__001biog09_01.xml&page=204