In 981 [his grandfather] Hoël Poher I Duke Brittany died. His son [his father] (age 2) succeeded I Duke Brittany.
In 1004 [his father] (age 25) died. His son Budic Poher Count Nantes succeeded Count Nantes.
In 1038 Budic Poher Count Nantes died. His son [his son] succeeded Count Nantes.