Essex, which had been a Mercian dependency, may have been brought back under Mercian overlordship: a King Sigeric of the East Saxons, described as a minister of Wiglaf's, witnessed a charter in Hertfordshire at some point between 829 and 837.
Essex, que fora unha dependencia de Mercia, podería volver a estar baixo o dominio mercio: un tal rei Sigeric dos saxóns orientais, descrito como ministro de Wiglaf, aparece como testemuña nuns foros de Hertfordshire nalgún momento entre 829 e 837.