Among those who went to Kent was Edwin's niece, Hild, who had been baptized by Paulinus. Some time later, her sister, Hereswith became a nun at Chelles Abbey in Gaul, but Hild returned north with some companions, and was trained in Celtic monasticism by Aidan of Lindisfarne, part of the Hiberno-Scottish mission to northern Britain. The double monastery of Hartlepool Abbey, a walled enclosure of simple wooden huts surrounding a church had been founded in 640 by Hieu, an Irish recluse in Northumbria. In 649, Aidan sent Hieu to establish a monastery at Healaugh near Tadcaster,Lapidge, Michael and Gneuss, Helmut. Learning and Literature in Anglo-Saxon England: Studies Presented to Peter Clemoes on the Occasion of His Sixty-fifth Birthday (Cambridge University Press, 1985) p. 8 and named Hild abbess at Hartlepool. Around 657, Aidan asked her to found an monastery at Streoneshalh. Hild served as abbess of both monasteries, but resided at Streaneshalch.
