1. | Duke of Cornwall Dyfnarth Ap Prydain was born in 510 BC (son of Duke of Cornwall Prydain Ap Aedd Mawr); and died. Family/Spouse: Unknown. [Group Sheet] [Family Chart] Children:
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2. | Duke of Cornwall Prydain Ap Aedd Mawr was born in 580 BC (son of Duke of Cornwall Aedd Mawr Ap Antonius); and died.
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4. | Duke of Cornwall Aedd Mawr Ap Antonius was born in 650 BC (son of Duke of Cornwall Antonius Ap Seisyll); and died.
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8. | Duke of Cornwall Antonius Ap Seisyll was born in 720 BC (son of King of Britain Sisillius); and died.
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