Ceolwulf I was King of Mercia, East Anglia and Kent, from 821 to 823. He was the brother of Cnwulf, his predecessor, and was deposed by Beornwulf, despite having a briefly successful reign.
When copying data from this family tree, please include a reference to the origin: Andre Bas, "Family tree Bas", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-bas/I10533.php : accessed February 20, 2026), "Ceolwulf I van Mercia".
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