Bertha (died after 1014) was the wife of Arduin of Ivrea.
Ivrea | Arduin | Arduin of Ivrea | Adalbert I of Ivrea | March of Ivrea | Guy of Ivrea | Anscar I of Ivrea | Albiano d'Ivrea |
In the year 1001, after a period of disputes with bishop Warmund, ruler of the city, Arduin conquered the March of Ivrea.
Many struggles followed, in particular after Margrave Arduin of Ivrea, who had proclaimed himself King of Italy (1002), had slain the bishop of this city of holding allegiance to Holy Roman Emperor Henry II.