Geoffrey de Mandeville, 1st Earl of Essex to the crown, perhaps in part due to a large fine levied by Henry I due to his displeasure at the escape of an important political prisoner when William was in charge of the Tower of London. The King also held the substantial estate of Geoffrey's maternal grandfather Eudo "le Dapifer" to which Geoffrey laid claim. Geoffrey gained Eudo's lands and his father's offices during the shifting tides of fortunes of the two competitors for the English throne after King Henry I's death in 1135. He initially supported Stephen, who sometime in 1140 (most likely May of that year) made
Henry V, Count Palatine of the Rhine first he supported him, but switched sides to Philip of Swabia in 1203. Having divided the Welf allodial lands with his brothers Otto and William of Winchester, Henry then ruled over the northern Saxon territories around Stade and Altencelle and also was confirmed as count palatine by King Philip. When the German throne quarrel ended with Philip's assassination in 1208, Henry again sided with Otto IV. In Imperial service, he tried to ward off the territorial claims by the Rhenish Prince-archbishops of Cologne, Trier and Mainz, though to no avail. After the death of his cousin Arthur I, Duke of