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
Augustus William, Duke of Brunswick-Lüneburg Augustus William, Duke of Brunswick-Lüneburg Augustus William (; 8 March 1662 – 23 March 1731), a member of the House of Welf, was Duke of Brunswick-Lüneburg and ruling Prince of Wolfenbüttel from 1714 until his death. Augustus William was the third, but eldest surviving son of Duke Anthony Ulrich and his consort Elizabeth Juliane, a daughter of Duke Frederick of Schleswig-Holstein-Sønderburg-Norburg. Unlike his father, the young prince was not interested in politics; he studied at the University of Geneva from 1677 to 1678 and afterwards went on a "Grand Tour" from Switzerland to France and the Netherlands. Nevertheless, in 1681