Sibyl de Neufmarché he could rely to implement royal policy. Sibyl's father died sometime before 1128 (most probably in 1125), and Miles came into possession of her entire inheritance, which when merged with his own estates, formed one honour. Together Sibyl and Miles had eight children: After Henry I's death in 1135, the throne of England was seized by Stephen of Blois, a grandson of William I of England. Henry's daughter, Empress Matilda (Maud), also claimed the throne, and had the support of the Marcher Lords. On the death of her husband, the Holy Roman Emperor, Henry V, in 1125, Matilda had returned
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