During his captivity Eustace Graverius became regent of Jerusalem, and succeeded, with the aid of the Venetians, in repelling an Egyptian attack, and even in capturing Tyre, 1124.
He was the son of Eustace, count of Boulogne, which has led many commentators into the error of saying that Godfrey of Bouillon was, born at the French port, whereas he was really born in the castle of Baisy near Genappe and Waterloo.
It is written in unusually picturesque and vigorous language, and is based on the Roman de toute chevalerie, a French compilation made about 1250 by a certain Eustace or Thomas of Kent.
Godfrey of Bouillon, the leader of the expedition and the first king of Jerusalem, was duke of Lower Lorraine, and the names of his brothers Baldwin of Edessa and Eustace of Boulogne, and of Count Robert II.
He received his education first at La Roche, in the Arve valley, then at the college of Annecy, founded by Eustace Chappius, ambassador in England of Charles V., in 1549.
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