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
Engelbert, Duke of Carinthia Engelbert, Duke of Carinthia Engelbert II (died 13 April 1141), a member of the House of Sponheim, was Margrave of Istria and Carniola from about 1103/07 until 1124. In 1123, he succeeded his elder brother Henry as Duke of Carinthia and Margrave of Verona which he held until his retirement in 1135. Engelbert II was the son of Count Engelbert I of Sponheim (d. 1096) and his wife Hedwig of uncertain descent, maybe a daughter of the Billung duke Bernard II of Saxony. His grandfather Count Siegfried I of Sponheim (d. 1065) came to Carinthia about 1035 as an attendant