A charter dated to [1030/45] records the purchase by Marmoutier of land granted by "Rivallon le Vicaire" to "Urvodius", tutor to "son fils Gautier", approved by "Driscan, frère de Gautier et…Robert son fils". A charter dated to [1045/90] records a donation to Marmoutier by "Rivallon le Vicaire, grand-père de Robert I de Vitré". "Robert I de Vitré fils d´Enoguen, époux de Berthe, père d´André et de Robert" donated property to Marmoutier by charter dated to [1064/76].
Seigneur de Vitré. The Chronique de Normandie, based on le Roman de Rou, names "le sire de Vittry" among those who took part in the conquest of England in 1066. A charter dated to [1070/75] records an agreement between the monks of Sainte-Croix and the canons of Notre-Dame de Vitré, with the consent of "domino Roberto et filiis eius Andrea…et Roberto". A charter dated to [1110] recalls the foundation of Sainte-Croix de Vitré by "Robertus de Vitriaco" with the consent of "Inoguende matre eius et Berta conjuge ipsius cum filiis suis Andrea et Roberto", and the later confirmation by "Andreas dominus Vitriaci castri et frater eius Philippus et uxor ipsius Andreæ…Agnes, cum filiis suis Roberto, Gervasio et Elia". 1
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