Wikipedia
Bertila of Spoleto (also Bertilla) (c. 860 – December 915) was the wife of Berengar I of Italy, and by marriage Queen consort of Italy and Holy Roman Empress.[1]
Bertila was a member of the powerful Supponid family. She was the daughter of Suppo II (c. 835 – c. 885), and of Bertha (dead by 921). Her paternal grandfather was Adelchis I of Spoleto, second son of Suppo I, and her paternal aunt was Engelberga, wife of Louis II of Italy.[2]