for her having no children. "But children has she now had, therefore will I not put her away; if she has done wrong, let her do penance for it."
So Rhiannon sent for the teachers and the wise men, and as she preferred doing penance to contending with the women, she took upon her a penance. And the penance that was imposed upon her was, that she should remain in that palace of Narberth until the end of seven years, and that she should sit every day near unto a horseblock that was without the gate. And that she should relate the story to all who should come there, whom she might suppose not to know it already; and that she should offer the guests and strangers, if they would permit her, to carry them upon her back into the palace. But it rarely happened that any would permit. And thus did she spend part of the year.
Now at that time Teirnyon Twryv Vliant was Lord of Gwent Is Coed, and he was the best man in the world. And unto his house there belonged a mare, than which neither mare nor horse in the kingdom was more beautiful. And on the night of every first of May she foaled, and no one ever knew what became of the colt. And one night Teirnyon talked with his wife: "Wife," said he, "it is very simple of us that our mare should foal every year, and that we should have none of her colts." "What can be done in the matter?" said she. "This is the night of the first of May," said he. "The vengeance of Heaven be upon me, if I learn not what it is that takes away the colts." So he caused the mare to be brought into a house, and he armed himself, and began to watch that night. And in the beginning of the night, the mare foaled a large and beautiful colt. And it was standing up in the place. And Teirnyon rose up and looked at the size of the colt, and as he did so he heard a great tumult, and after the tumult behold a claw came through the window into the house, and it seized the colt by the mane. Then Teirnyon drew his sword, and struck off the arm at the elbow, so that portion of the arm together with the colt was in the house with
