People United Kingdom Æthelfrith of Mercia peoplepill id: aethelfrith-of-merciaÆOM 9 views today 10 views this weekEaldorman of southern MerciaÆthelfrith of MerciaBiographyListsAlso ViewedListsÆthelfrith of Mercia is in following listsBy field of workNotable English royalsGender:MaleBy work and/or countryNotable English NoblesGender:MaleFrom our partnersSponsoredÆthelfrith of Mercia