'It is but just,' said the noble lady, looking round the room, 'it is but just that you should know the truth. It is as our hostess has said. Bertalda is indeed the daughter of the fisherman and his wife.'
The duke and duchess then left the room, followed by their foster-child, the duke bidding Bertalda's true parents come with them also.
In silence the other guests slipped away, to talk in their own homes over all that they had heard and seen, and Undine, left alone with her husband, wept bitterly.