GEOFFROY de Porhoët (-1142). Geslin de Bourgogne records that Vicomte Joscelin donated property to the church of Saint-Martin in the castle of Porhoét, assisted by his brothers "Guihenæus, Geoffroy et Alain", by charter dated 1108[1350]. He succeeded his brother before 1114 as Vicomte de Porhoët. "Gauffredus vicecomes de Porrehodio castro et fratres eius Alanus et Bernardus" reached agreement with the abbé of Marmoutiers regarding a donation by "frater suus Jostho vicecomes", by charter dated [1116][1351]. "Gaufredus vicecomes filius Eudonis" donated property to the abbey of Saint-Martin, with the consent of "Alanum vicecomitem fratrem suum", by charter dated 1118, witnessed by "…Bernardus infans frater vicecomitis…"[1352]. He was given a hundred in Devon by Henry I King of England, recorded in the 1131 Pipe Roll[1353]. mHAWISE, daughter of ---. The primary source which confirms her marriage has not yet been identified. Geoffroy & his wife had five children