Cennydd (Kynedus)

Further reading
S. Baring-Gould and John Fisher, The Lives of the British Saints (London: Honourable Society of Cymmrodorion, 1908), 107–15 View online
David Farmer, The Oxford Dictionary of Saints (Oxford: Oxford University Press, 2011), 258–9
Martin Crampin, Welsh Saints from Welsh Churches (Talybont: Y Lolfa, 2023), 154