Æthelred's support for Wilfrid embroiled him in dispute with both Canterbury and Northumbria, and it is not clear what his motive was, though it may be relevant that some of Wilfrid's monasteries were in Mercian territory.
O apoio de Aethelred a Wilfrido envolveulle nunha disputa con Canterbury e Northumbria, non está claro cal era o motivo, aínda que pode ser relevante que algúns dos mosteiros de Wilfrido estaban en territorio de Mercia.