They married after the dissolution of his unconsummated marriage to Æthelthryth, daughter of Anna of East Anglia and Sæwara.
[12] In 680, Wilfrid returned to Northumbria with a papal decree ordering his restoration, but was instead imprisoned and then exiled by the king and queen.
[13] Whilst Eormenburg and her husband were staying at Coldingham Priory, Scotland, she fell ill[1] and suffered from "convulsive fits.
"[14] The fits were considered the consequence of her hostility towards Wilfred, her stealing a reliquary from him that she wore as a necklace[15] and her "exulting in these spoils".
[14] The abbess Æbbe of Coldingham[16] advised the king that Eormenburg would only be cured when the reliquary was returned and he was restored.
She later rose to become abbess of her foundation and Stephanus recorded that she led a praiseworthy monastic life.