Aethelswith was born in 838 and died in 888 (exact dates are not known. She was the daughter of King Aethelwulf of Wessex and elder sister to King Alfred the Great. She married Burgred of Mercia. She and her husband were forced to flee to Italy in 874 following the Viking invasion of Mercia. Aethelswith died in Pavia, Italy.
Family tree for Aethelswith of Mercia showing: