"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]. 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".
Seigneur de Vitré. "A. de Vitreio et B. mater eius" asked the abbot of Saint-Aubin d´Angers to celebrate a mass "XV Kal Sep" each year for the anniversary of "Roberti fratris mei", by charter dated to [1093/1106]. A charter dated to [1110] records that "Andreas dominus Vitriaci castri et frater eius Philippus et uxor ipsius Andreæ…Agnes, cum filiis suis Roberto, Gervasio et Elia" confirmed the foundation of Sainte-Croix de Vitré. 1
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