Eustace Grenier Eustace Grenier Eustace I Garnier, also known as Eustace Grenier or Eustace Granarius (died on 15 June 1123), was lord of Caesarea from before 1110, and lord of Sidon from 1110 to his death. He was a nobleman from the County of Saint-Pol and went to the Holy Land either during the First Crusade or around 1100. He became an influential retainer of King Baldwin I of Jerusalem, who granted Caesarea and Sidon to him. After an Artuqid prince captured Baldwin I's successor, Baldwin II, Eustace was elected constable and bailliff (or regent) in April 1123. Shortly before his death,
Baldwin I of Jerusalem from his subjects. He appointed his relative, Baldwin of Le Bourcq, his successor in the county and Le Bourcq swore fealty to him. About 200 knights and 300–700 foot-soldiers accompanied Baldwin when he left Edessa on 2October 1100. He spent four days in Antioch, but did not accept the local inhabitants' offer to administer the principality during Bohemond's captivity. Duqaq of Damascus wanted to ambush him on the narrow road near the mouth of the Nahr al-Kaib River. Fakhr al-Mulk, the qadi of Tripoli, secretly warned Baldwin, enabling him to make arrangements to defeat the attack and he routed the