 The next day, he saw his youngest sister, who had been carried off by a monster, and was weeping and thin from its cruelty, because she had refused to marry it.Her brother asked her to say she would marry it, if it told her how it could die.When she did, it told her that an iron casket at the bottom of the sea, had a white dove, and the dove's egg, dashed against its head, would kill it.