Gradlon (unknown) 
Concar Geraint 
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| Gradlon (unknown) |
| Concar Geraint |
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Gradlon Flam ap Judicael, count
abt 0632, Bretagne, Cornouaille France - 0711, Brittany France
(unknown)
?? - ??
Married: ?? - ??
Concar Cheronnog ap Gradlon, prince of Cornouaille (Brittany)
0660, Bretagne, Cornouaille France - 0710, Brittany France
Geraint, King of Dumnonia
0672 - 0710