Roger I of Tosny Fécamp Abbey were installed. This monastery was one of the first baronial foundations in Normandy The foundation charter reveals that the lord of Tosny gave it a small possession around Conches and his forest. In 1035, Robert I's death began a troubled period in the duchy of Normandy. Civil wars multiplied and Roger (whose relations with his neighbours was already argumentative) was one of the main players in them. According to the Norman chroniclers, the lord of Tosny refused to serve the new duke, the future William the Conqueror, due to his being a bastard. He especially took advantage of
Frederick, Duke of Lower Lorraine His second wife (1055) was Ida (died 1102), daughter of Bernard II, Duke of Saxony, who remarried with Albert III, Count of Namur, on Frederick's death. Frederick, Duke of Lower Lorraine Frederick, Duke of Lower Lorraine, also known as "Frederick of Luxembourg" ( – 18 May 1065) was the count of Malmedy from 1035 and Duke of Lower Lorraine from 1046. He was a younger son of Frederick, Lord of Gleiberg. In 1044, Gothelo I, duke of both Lorraines, died and his eldest son, Godfrey, succeeded in only the upper duchy while the Emperor Henry III first threatened to give