Johan August Meijerfeldt, 1725, 1800. Count, Field Marshal Per Krafft the Elder (1724-1793)

The picture has something of this: people, sword, wear, man, weapon, portrait, two, war, lid, veil, military, armor, woman, shield, warrior, recreation.
Perhaps it’s a painting of a man in a military uniform with a sword in his right hand and a helmet on his left.