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
History of the English line of succession to the French succession. On the day of Henry IV's death, 20 March 1413, the line of succession to the English throne following agnatic primogeniture was: Upon his death, the throne passed smoothly to the first person in line, who became Henry V. On the day of Henry V's death, 31 August 1422, the line of succession following agnatic primogeniture was: Upon his death, the throne passed smoothly to the first person in line, who became Henry VI. On the day of Henry VI's first deposition, 4 March 1461, the line of succession following agnatic primogeniture was; However, during the