Gauzbert Rorgonide I Count Maine was born to Gauzlin Rorgonide.
On 16 Jun 840 [his brother] died. His brother Gauzbert Rorgonide I Count Maine succeeded I Count Maine.
In 852 Lambert Guideschi II Count Nantes was killed by Gauzbert Rorgonide I Count Maine.
In 853 Gauzbert Rorgonide I Count Maine was executed.