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 emperor knew the land when he saw it. And when he beheld the castle of Aber Sain, "Look yonder," said he, "there is the castle wherein I saw the damsel whom I best love." And he went forward into the castle and into the hall, and there he saw Kynan the son of Eudav, and Adeon the son of Eudav, playing at chess. And he saw Eudav the son of Caradawc, sitting on a chair of ivory carving chessmen. And the maiden whom he had beheld in his sleep, he saw sitting on a chair of gold. "Empress of Rome," said he, "all hail!" And the emperor threw his arms about her neck; and that night she became his bride.

And the next day in the morning, the damsel asked her maiden portion. And he told her to name what she would. And she asked to have the Island of Britain for her father, from the Channel to the Irish Sea, together with the three adjacent Islands, to hold under the empress of Rome; and to have three chief castles made for her, an whatever places she might choose in the Island of Britain. And she chose to have the highest castle made at Arvon. And they brought thither earth from Rome that it might be more healthful for the emperor to sleep, and sit, and walk upon. After that the two other castles were made for her, which were Caerlleon and Caermarthen.

And one day the emperor went to hunt at Caermarthen, and he came so far as the top of Brevi Vawr, and there the emperor pitched his tent. And that encamping place is called Cadeir Maxen, even to this day. And because that he built the castle with a myriad of men, he called it Caervyrddin. Then Helen bethought her to make high roads from one castle to another throughout the Island of Britain. And the roads were made. And for this cause are they called the roads of Helen Luyddawc, that she was sprung from a native of this island, and the men of the Island of Britain would not have made these great roads for any save for her.

Seven years did the emperor tarry in this Island. Now, at that time, the men of Rome had a custom, that whatsoever