William the Conqueror King Henry in a campaign against him, the last known cooperation between the two. They succeeded in capturing an Angevin fortress, but accomplished little else. Geoffrey attempted to expand his authority into the county of Maine, especially after the death of Hugh IV of Maine in 1051. Central to the control of Maine were the holdings of the Bellême family, who held Bellême on the border of Maine and Normandy, as well as the fortresses at Alençon and Domfront. Bellême's overlord was the king of France, but Domfort was under the overlordship of Geoffrey Martel and Duke William was Alençon's
Adalbero, Duke of Carinthia Adalbero, Duke of Carinthia Adalbero of Eppenstein ( – 29 November 1039) was Duke of Carinthia and Margrave of Verona from 1011 or 1012 until 1035. Adalbero was the son of the Bavarian count Markward of Eppenstein, who around 970 had married Hadmud, a daughter of Count Adalbero of Ebersberg and ruled as Margrave of Styria. About 1000 Adalbero succeeded his father as Styrian margrave. He was married to Beatrix, probably a daughter of Duke Herman II of Swabia from the Conradine dynasty and sister-in-law of the later Salian emperor Conrad II. Upon the death of the Salian duke Conrad