Pieneman, Nicolaas – Willem II (1792-1849), koning der Nederlanden, te paard, 1830 - 1850 Rijksmuseum: part 1

The picture has something of this: cavalry, seated, mammal, people, horse, equestrian, sword, action energy, rider, wear, man, military, two, weapon, warrior, bridle, war.
Perhaps it’s a painting of a man riding on the back of a white horse in.