Rivallon III de Poher 
Rivallon III's father was Erispoe Of Brittany Duke and his mother is () (). His paternal grandfather was Nominoe Of Brittany King and his paternal grandmother is Argentael (). He had a sister named (). He died in 0857. He was buried in 0857.
He had two biological sons named Salomon III de Poher and Riwallon IV.
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