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 IV of Jerusalem support of Agnes and her husband Reginald of Sidon, Raymond, and many of the other barons, excluding Sibylla from the succession. Raymond was to act as guardian of the infant heir, and later as regent if Baldwin IV was to expire, but Baldwin IV himself would continue to rule. The child was crowned co-king as Baldwin V on November 20, 1183. In the early months of 1184, Baldwin attempted to have the marriage between Sibylla and Guy annulled. This was foiled by their holding fast in Ascalon, Guy refusing to attend the annulment proceedings. The military expedition to relieve Karak