This person was ceded territory after an attack on territory controlled by Bishop Joseaume. This person's grandson,  Richard I, commissioned Dudo of S
This person was ceded territory after an attack on territory controlled by Bishop Joseaume. This person's grandson,  Richard I, commissioned Dudo of Saint-Quentin to write a history of this ruler's kingdom. This person may have married  Gisela after signing a treaty, but his son, known as "Longsword," was sired with his mistress or wife Poppa of Bayeaux.  This man's son William I was excommunicated for attacking Arnulf I, the Count of Flanders. After this person's defeat at  the hands of Charles the Simple in 911, he (*) converted to Christianity, signed the Treaty of Saint-Clair-sure-Epte, and was  ceded the land around Rouen, which his offspring controlled as dukes. For 10 points, name this first Duke of Normandy, a Viking  who was baptized as Robert I.
This person was ceded territory after an attack on territory controlled by Bishop Joseaume.