ROBERT de Grantmesnil (-St Euphemia 12 Dec [1082]). Orderic Vitalis names “Hugonem et Rodbertum et Ernaldum et totidem filias” as the children of “Rodberto de Grentemaisnilio” and his wife[284]. Orderic Vitalis records that “Willermus et Rotbertus filii Geroi et Hugo ac Rotbertus filii Rotberti de Grentesmaisnilio” sought the consent of Guillaume II Duke of Normandy in 1050 to restore “Uticum cœnobio”[285]. Guillaume of Jumièges records that “Robertus de Grentemaisnil...cum fratre suo Hugone” with “Willelmus Geroii filius” restored “monasterii sancti Ebrulfi apud Uticum”[286]. Robert of Torigny's De Immutatione Ordinis Monachorum records that "Willermus filius Geroii monachus Becci et nepotes eius Robertus et Hugo de Grentemaisnil" restored "monasterium Sancti Ebrulfi apud Uticum"[287]. The Chronicon Beccensis Abbatiæ records that "Willelmus et nepotes sui Robertus et Hugo de Grentimenti" restored "monasterium sancti Ebrulfi" and donated “villam Russerie” to Bec[288]. Orderic Vitalis records that “nepotes sui Hugo et Rotbertus” founded “apud Nuceretum villam suam prope Grentemaisnilium...cœnobium”, inspired by “Willermi filii Geroii avunculi sui”[289]. Orderic Vitalis records that "Rodbertus et Hugo et Ernaldus filii Rodberti de Grentemaisnilio" donated "in Nucereto ecclesia...villa...Solengiacus, in Oillei...Anglisca...villa...ecclesia...Villaris...in monasterio de Waiprato...decimam de Buinna, et in Belmeis tertiam partem molendini...unum hospitem in Collavilla" and numerous other named properties to Ouche[290]. Abbot of Saint-Evroul d´Ouche: Orderic Vitalis records that “Rodbertum de Grentemaisnilio” was elected abbot of Ouche in 1059[291]. Orderic Vitalis records disputes between his vassals and Duke Guillaume and the resignation “VI Kal Feb” [1061] of “Rodbertus Uticensium abbas” following complaints about him, adding in a later passage that Robert went “ad parentes suos in Apuliam”, before returning to Normandy with two Papal legates to reclaim his abbey unsuccessfully[292]. Abbot of St Euphemia in Calabria: Orderic Vitalis records that Robert de Grantmesnil, ex-abbot of Ouche, in seeking his restoration as abbot sought help from “Rodbertum Wiscardum Calabriæ ducem” who invited him and his monks to install themselves permanently there and granted “ecclesiam Sanctæ Eufemiæ...super littus Adriatici maris” to him, dated to [1061/63][293]. Malaterra records the marriage "apud Sanctum Martinum" of "abbatum Sanctæ Euphemiæ Robertum…Judicta sorore sua" and Count Roger[294]. Orderic Vitalis records that in 1077 “Goisfredus nepos Eustachii Bolonensium comitis nepos” was appointed bishop of Chartres, in opposition to “Rodbertus...abbas frater Hugonis de Grentemaisnilio”[295]. Orderic Vitalis records that “Rodbertus abbas Sanctæ Eufemiæ” was poisoned by “quidam genere Saracenus, arte pistoria Brixensi cœnobio” and died “II Id Dec”, dated to [1082][296].