Gwladus DDU "The Dark"
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| Father | ap Iowerth, Llywelyn "The Great" Prince of Wales b. 1173, d. 1240 |
| Mother | Tangwystyl Goch |
Gwladus DDU "The was born in Wales.
| Father | ap Iowerth, Llywelyn "The Great" Prince of Wales b. 1173, d. 1240 |
| Mother | Tangwystyl Goch |