Hugues DE GRANDMESNIL
- Born: Hinckley, Lancastershire, England
- Married: Bef 1060
- Died: 10 Feb 1098
Other names for Hugues were Hugh DE GRENTEMESNIL and Hugh DE GRENTMESNIL.
Orderic Vitalis names "Hugonem et Rodbertum et Ernaldum et totidem filias" as the children of "Rodberto de Grentemaisnilio" and his wife. Guillaume of Jumičges records that "Robertus de Grentemaisnil...cum fratre suo Hugone" with "Willelmus Geroii filius" restored "monasterii sancti Ebrulfi apud Uticum". 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". The Chronicon Beccensis Abbatię records that "Willelmus et nepotes sui Robertus et Hugo de Grentimenti" restored "monasterium sancti Ebrulfi" and donated "villam Russerie" to Bec. 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 cnobio". 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. Orderic Vitalis records that "nepotes sui Hugo et Rotbertus" founded "apud Nuceretum villam suam prope Grentemaisnilium...cnobium", inspired by "Willermi filii Geroii avunculi sui". Orderic Vitalis records disputes between his vassals and Duke Guillaume who exiled "milites Rodulfum de Toenia et Hugonem de Grentemaisnilio atque Ernaldum de Escalfoio", dated to [1059/61], the same source recording in a later passage that Duke Guillaume recalled "Rodulfum de Toenia et Hugonem de Grentemaisnilio", dated to . Orderic Vitalis names "...Hugo de Grentemasinilio et Rogerius de Molbraio..." among the leading lords under Guillaume II Duke of Normandy. The Chronique de Normandie, based on le Roman de Rou, names "le sire de Grenmesnil" among those who took part in the conquest of England in 1066. Orderic Vitalis names "...Hugo de Grentemaisnilio et Guillermus de Garenna..." among those who took part in the battle of Hastings. Orderic Vitalis records that King William installed "Guillermum Osberni filium" at his new fortress at Winchester ("intra mnia Guentę") and appointed him "vice sua toti regno versus Aquilonem", while he granted "Doveram...totamque Cantiam" to "Odoni fratri suo", and thus he entrusted "his duobus pręfecturam Anglię", seconded by "Hugonem de Grentemaisnilio et Hugonem de Monteforti, Guillelmumque de Garenna", dated to 1067. Sheriff of Leicester: Orderic Vitalis records that King William I granted the command of "municipatum Legrecestrę" to "Hugoni...de Grentemaisnilio". Orderic Vitalis records that "Hugo de Grentemaisnil, qui pręsidatum Gewissorum, id est Guentanę regionis" [presumably Hampshire] and "sororius eius Unfridus de Telliolo...Hastingas...custodiendum" returned to Normandy wanting to rejoin their wives, dated to [1068/69]. "
Hugonis de Grentemaisnil
" witnessed a charter dated to  under which William I King of England granted property to the abbey of Saint-Etienne de Caen. Domesday Book records "Hugh de Grantmesnil" holding land in Thundridge, Braughing Hundred, in Hertfordshire from the bishop of Bayeux, and land in Ware also in Hertfordshire; Pebworth, Broad Marston, Upper Quinton, Lower Quinton, Weston-on-Avon and Willicote in Gloucestershire, numerous properties in Leicestershire. He fought Robert de Bellźme and his castle of Courcy was besieged by Robert III Duke of Normandy in 1091. Orderic Vitalis records that in 1098 "Hugo de Grentemaisnil" fell ill in England, became a monk, and died "VIII Kal Mar", his body being returned to Normandy for burial at Ouche. The necrology of the monastery of Ouche records the death "21 Feb" of "Hugo de Grentesmesnil comes Leecestrię, fundator hujus cnobii, monachus nostrę congregationis".
Hugues married Adelise DE BEAUMONT, daughter of Ives "le Clerc" DE BEAUMONT and Adelais, before 1060. (Adelise DE BEAUMONT was born before 1045 and died on 11 Jul 1091 in Rouen, Seine-Maritime, Haute-Normandie, France.)