Coel Godebog 1
This may be the same person as Coel Hen (Old King Cole). See A History of Wales by John Davies, London, 2007, p. 82.
Coel married Ystradwel ferch Gadeon, daughter of Gadeon ap Eudaf and Unknown. (Ystradwel ferch Gadeon was born circa 347 in North Britain.)