John Nost Sartorius A sportsman with his dogs and a pony in a wooded landscape 100019 20 часть 3 -- European art Европейская живопись

The picture has something of this: cavalry, mammal, cattle, livestock, cow, farm, people, two, agriculture, dog, seated, animal, pastoral, farming, mare, landscape, pasture.
Perhaps it’s a painting of a man standing next to a white horse and a brown and white dog in a field.