Sigeric I of Essex was a King of Essex, and a son of Saelred of Essex, reigning from an unknown date until he abdicated and went on pilgrimage to Rome in 798.
Like his predecessors, he recognised Mercian overlordship.
[1][2] The Itinerary of Archbishop Sigeric, a record of the journey of Sigeric, Archbishop of Canterbury, to Rome in 990.
It includes a list of 23 churches in Rome that he visited, one of which was dedicated to St Sigeric, possibly the same as the king of Essex[3]
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