Eustace IV, Count of Boulogne now lost, as a consequence of the Dissolution of the Monasteries. Eustace IV, Count of Boulogne Eustace IV (c. 1127–1135 – 17 August 1153), Count of Boulogne, was the eldest son of King Stephen of England and Countess Matilda I of Boulogne. When his father seized the English throne on Henry I's death in 1135, he became heir apparent to the English throne. Upon his mother's death in 1152 he inherited the county of Boulogne and other estates. Eustace was first mentioned in one of his parents' charters dated no later than August 1131. As heir to the English throne
Henry I the Long, Margrave of the Nordmark Henry's motivation in marrying Eupraxia was to bring Saxony closer to Kiev. In fact, the marriage may have been arranged by Oda of Stade, daughter of Lothair Udo I, Margrave of the Nordmark, who had married Sviatoslav II, Grand Prince of Kiev. Oda is identified as a relative of Henry’s father Lothair Udo II as well as a niece of Henry III, Holy Roman Emperor, and Pope Leo IX. Upon his death, Henry was succeeded as margrave and count by his brother Lothair Udo III. Henry I the Long, Margrave of the Nordmark Henry I the Long (c.1065 - died