Bertha (died after 1014) was the wife of Arduin of Ivrea.
She was thus margravine of Ivrea and queen of Italy (1002-1014).
Her parentage is unknown, but she is often said to be identical with Bertha of Milan, who was a member of the Obertenghi dynasty.
Other scholars suggest that Bertha may have been the daughter of Hubert of Tuscany[1] or of Amadeus (son of Anscar II)[2] Bertha intervened in eight of Arduin's royal diplomas,[3] in which she was often called his consors regni (royal consort).
[4] With Arduin, Bertha had three sons:[5]