Career
Seisyll competed against and was defeated by Cynddelw in a contest for the role of chief court poet to Madog ap Maredudd, prince of Powys. Seisyll also wrote poems in praise of the campaigns of the Lord Rhys.
Seisyll competed against and was defeated by Cynddelw in a contest for the role of chief court poet to Madog ap Maredudd, prince of Powys. Seisyll also wrote poems in praise of the campaigns of the Lord Rhys.
