The moment he vanished they set off for the court, and that night they slept together. And on the morrow Gronw rose up and subdued Ardudwy, and ruled it. And he sent to Beli who brought a force to defend it.
Then the tidings reached Math. Heaviness and grief Math felt within him, and Gwydion more than he by far. Gwydion set out and traversed the whole land. When he had traversed every part, he came to Arfon, where the swine of Annwn were. And there was a sow who recognized Gwydion, and said to him ÔIs it your son, Lleu Llaw Gyffes you seek? I can take you to him.Õ Then Gwydion came to the house of the swineherd and stayed there the night. And he said to the swineherd ÔWill you do this for my sake: not to open the sty until I am on one side of the sty with you?Õ
