Considering later examples of the increase in status of some seigneuries into counties, without any formal grants, after they were acquired by individuals who already enjoyed comital status elsewhere (a good example being Alenon in Normandy), the second possible explanation appears more likely.
The Annales Bertiniani record that in 878 "filii Gozfridi" attacked "castellum et honores filii Odonis" which King Louis le Bgue granted to "isdem Gozfridus...[et] filios suos" who abandoned partem Brittonibus and swore allegiance to the king.
Flodoard's Historia Remensis Ecclesi names "Gozlino Bernardo nepote ipsiusfratremsuum Gozfridem", referring to Bernard Marquis of Septimania and his rebellion dated to , from the context implying that Gauzfrid had recently diedsons .
If that is correct, the two brothers may have been born from different marriages of their father.
The same source records the appointment of a second domnus Herlemundus as bishop, temporarily replacing Gauslin for a limited period the dating of which is uncertain.
Maisnisias, which genitor meus Gauzlinus et mater mea Adeltrudis habuerunt, to the abbey of Saint-Maur-sur-Loire, confirmed by Dodon Bishop of Anjou by charter dated 1 Mar 839 [Rorgo] [I] (-16 Jun [839/40], bur Abbaye de Saint-Maur de Glanfeuil, Anjou). Considering that Guy was named as comte du Maine in [832/34], one possibility is that this enthronement was incorrectly dated in this source.
His relationship with one of the daughters of Emperor Charlemagne suggests that Rorico probably lived at the emperor's court in the early 9th century, but no confirmation of this suggestion has been found in contemporary documentation. Another possibility is that two counts held power in the county at the same time, although no other primary source indication has been identified which suggests that this is correct. Rorgo comes donated predium..pago Andecavo in condita Maciacense..Valegia....No other reference to this invasion has been found nor any indication how long the occupation lasted, although considering the Viking successes during the 870s reported earlier such an occupation would not be surprising.This Ragenold has not yet been linked to any other reference.The precise relationship between Gausbert and the family shown above has not yet been ascertained, although his name suggests that there was a connection. ] du Mans : the Annales Vedastini record in 885 that Ragnoldum ducem Cinomannicum cum paucis took part in a Viking attack on Rouen but returned ad loca sua cum magna tristitia; nil actum utile.The reference to iuvenis in one of the sources which record his death suggests that he must not have been aged more than in his twenties when he died. The entry suggests that during this period Maine/Le Mans had been conquered by Viking forces.Maisnisias, which genitor meus Gauzlinus et mater mea Adeltrudis habuerunt, to the abbey of Saint-Maur-sur-Loire (later known as Glanfeuil) in which germanus noster Gausbetus..filium nostrum Gauslinum followed the religious life, confirmed by Dodon Bishop of Anjou by charter dated 1 Mar 839, signed by Rortgonis comitis, Bilechildis uxoris eius, Gausberti fratris eius...