Aergul Lawhir ap Triffyn Farfog Brenin Dyfed & partner 
They had a son named Vortepor the Tyrant.
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Children
Gwerthefyr (Vortepor the Tyrant) ab Aergul Brenin Dyfed
Gwerthefyr, known as Vortepor the Tyrant, was born in Dyfed, Cymru.1