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 I of Jawor Henry I of Jawor Henry I of Jawor (; – 15 May 1346), was a Duke of Jawor-Lwówek-Świdnica-Ziębice during 1301–1312 (with his brothers as co-rulers), sole Duke of Jawor-Lwówek since 1312 and Duke of Głogów since 1337 until his death. He was the third son of Bolko I the Strict, Duke of Jawor-Lwówek-Świdnica-Ziębice, by his wife Beatrix, daughter of Otto V the Long, Margrave of Brandenburg-Salzwedel. On the death of his father in 1301, Henry I, his older brother Bernard and his younger brother Bolko II, inherited his domains; however, because they was still a minors, Henry I and his