Geoffroy Fitz Riwallon de Gorran

• Geoffroy's children have been identified as the Lord of Saint Berthevin La Tanniere, Hemenare, l'Ernee, Levare and Buron.
• Rivallon of Dol-Combourg was born to Hamo I, Viscount of Alet and Roianteline. RIvallon's eldest brother was Hamo II Viscount of Alet, while his next eldest brother Josselin became the seigneur of Diana. Another brother Jungeon became Archbishop of Dol, Rivallon also had a sister Imogen who was married to a knight of Alan III of Brittany a man she completely dominated becoming the eventual guardian of their son Brien. Hamo I also had a natural son Saloman who was the given the fief of Garclip later known as the seigneure of Du Guseclin.

Rivallon married Aremburga du Puiset, the daughter of Evrard, Count of Bretueil [a] He died around 1065 '

'Geoffroi, youngest son of Rivallon, took the surname of Gorron,Gorram. His son Ruellon de Gorram, married Hersende daughter of Walter de Mayenne.'

• Reference: https://en.wikipedia.org/wiki/Rivallon_I_of_Dol

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