It is likely that he gained the kingdom by military means , because his prowess as a commander was later remembered .
After an interregnum prompted by Eorpwald 's assassination , Sigeberht returned from Gaul to become ruler of the East Angles .
It is likely that Sigeberht gained the kingdom by military means , because Sigeberht 's prowess as a commander was later remembered .
After an interregnum prompted by Eorpwald 's assassination , Sigeberht returned from Gaul to become ruler of the East Angles .