Around 800 Rorgon Rorgonide II Count Maine was born to Rorgon Count Rennes I Count Maine and Bilechilde Unknown.
In 819 [his father] Rorgon Count Rennes I Count Maine was created Count Rennes.
In 832 [his father] Rorgon Count Rennes I Count Maine was created I Count Maine.
On 16 Jun 840 [his father] Rorgon Count Rennes I Count Maine died. His brother [his uncle] Gauzbert Rorgonide I Count Maine succeeded I Count Maine.
In 853 Rorgon Rorgonide II Count Maine (age 53) succeeded II Count Maine.
Around 865 Rorgon Rorgonide II Count Maine (age 65) died. His brother [his brother] Gauzfrid Rorgonide Count Maine succeeded Count Maine.
[his father] Rorgon Count Rennes I Count Maine and [his mother] Bilechilde Unknown were married.