Ermengarde of Tuscany
Ermengarde of Tuscany was a medieval Italian noblewoman. She was the daughter of Bertha of Lotharingia and Adalbert II, Margrave of Tuscany. She was countess of Ivrea through marriage to Adalbert I of Ivrea. Alongside her half-brother Hugh of Italy Ermengarde was an important opponent of Rudolf II of Burgundy’s rule in Italy.
Family
Ermengarde was born in 901. Her father was Adalbert II of Tuscany and her mother was, Bertha of Lotharingia. Through Bertha, who was an illegitimate daughter of Lothair II, king of Lotharingia, Ermengarde was connected with the Carolingian dynasty. Ermengarde had two brothers, Guy of Tuscany and Lambert of Tuscany. She also had four half-siblings from her mother’s first marriage to Theobald of Arles: Hugh, king of Italy, Boso of Tuscany, Theutberga of Arles, and another sister, whose name is not known.Marriage and issue
Ermengarde married Adalbert I of Ivrea, from the Anscarid dynasty around 914/5. With Adalbert I, Ermengarde had a son, Anscar of Spoleto.Ermengarde had a great influence on her husband, and often appeared in his diplomas entitled ‘most noble countess’. Ermengarde also intervened in the diplomas of other rulers, including a diploma issued by Rudolf II of Burgundy in 924, granting Castel vecchio d'Asti to Autbert of Asti, and a diploma issued by her half-brother, Hugh, in Pavia in 926.