Once upon a time, there lived a king who had to go off and wage war. Before he left, he told his daughters that they may go anywhere in the castle except for one room.
The Enchanted Pig | A Romanian Fairy Tale
Sister Alyonushka and Brother Ivanushka | A Folk Tale from Russia
Once upon a time, two orphan siblings lived in the woods. The girl was called Alyonushka and the boy was called Ivanushka.