Sebbi of Essex
Sighere and Sebbi were cousins of their predecessor Swithelm. In 665 Sighere apostasized and fell back into paganism, while Sebbi remained a faithful Christian. They soon developed a rivalry. Sighere found an ally in Wessex, and Sebbi in Mercia. As a result of their rivalry, King Wulfhere of Mercia established himself as overlord of Essex in 665. He despatched Jaruman, the bishop of Mercia, who was assigned to reconvert the people of Essex to Christianity.
|King of Essex
664 to 694
ruled jointly with Sighere from 664 to 683
Sigeheard and Swaefred