Back Йосташ III Bulgarian Eustaqui III Catalan Eustach III. z Boulogne Czech Eustach III. (Boulogne) German Ευστάθιος Γ΄ της Βουλώνης Greek Eŭstako la 3-a (Bulonjo) Esperanto Eustaquio III de Boulogne Spanish اوستاس سوم، کنت بولونی Persian Eustache III de Boulogne French Eustaquio III de Boulogne Galician
Eustace III | |
|---|---|
| Born | c. 1050 |
| Died | c. 1125 (aged about 75) France |
| Noble family | House of Flanders |
| Spouse(s) | Mary of Scotland |
| Issue | Matilda, Queen of England |
| Father | Eustace II of Boulogne |
| Mother | Ida of Lorraine |
Eustace III (c. 1050 – c. 1125) was the count of Boulogne from 1087 succeeding his father, Eustace II. He joined the First Crusade, being present at Nicaea, Dorylaeum, Antioch, and Jerusalem. After fighting in the battle of Ascalon, he returned home. Initially offered the Kingdom of Jerusalem, Eustace was at Apulia when he received news of Baldwin of Bourcq's election to the throne. On his return to Boulogne, he founded a Cluniac monastery in Rumilly, retired as a monk, and died in 1125.