[4] He was the first Norman ancestor to assume the name Mortimer,[2] as in the place-name Mortemer-en-Brai, the land on which the village and castle was located.
[1] In 1054, the territory of Évreux was invaded by French armies led by Odo, the brother of King Henry I of France.
[2] In response, Duke William II of Normandy sent his general Roger "fili Episcopi", along with other commanders, to oppose Odo's forces.
[7] It wasn't until Roger's son, Ranulph de Mortemer, was able to repossess the property by grant of Duke William.
Loyd was hesitant to connect them because William de Warenne was thought to have been son of this Rodulf, but evidence indicates he was not Roger's brother.
[8] Robert de Torigny called Roger's mother, who is not named, one of the nieces of Gunnor, Duchess of Normandy.
[10] Roger married Hadewisa, a Lady who inherited the Mers-les-Bains on the river mouth of Bresle and the district of Vimeu.