 He and his descendants were on and off dukes of Spoleto, commonly in opposition to the Guideschi clan, another Frankish family powerful in central Italy.The family consolidated its holdings in northern Italy through the 820s, 830s, and 840s, often controlling the counties of Brescia (hereditarily), Parma, Cremona, and Piacenza among others.Their power was extended and not highly centralised.