Wife of a powerful person gives birth to wonderful child(ren). Her envious sisters play a trick to make her husband order to get rid of her (usually to put her and her child into the barrel which is thrown into the sea). The wonderful son saves her and himself. Imperceptibly (usually in guise of an animal or an insect, or sending his brother who has guise of a puppy) he gets into his father’s house and listens in what people are are talking about