Karl XI, 1655-1697, kung av Sverige, pfalzgreve av Zweibrücken * Anna Katarina Boberg (1864-1935)

The picture has something of this: cavalry, seated, mammal, equestrian, two, horse, sculpture, sword, armor, people, rider, bridle, man, metalwork.
Perhaps it’s a painting of a woman in a yellow dress riding a gray horse with a white horse in the foreground and a brown.