Gwenddoleu ap Ceidio
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Gwenddoleu ap Ceidio or Gwenddolau was a Brythonic king who ruled in Arfderydd. This is in what is now south-west Scotland and north-west England in the area around Hadrian's Wall and Carlisle during
Merlin (Myrddin) being converted to Christianity by Saint Kentigern (Mungo) at Stobo Kirk, Borders, Scotland
