Although many Muslims sought shelter atop the Temple Mount inside the Al-Aqsa Mosque, the crusaders spared few lives. According to the anonymous Gesta Francorum, in what some believe to be one of the most valuable contemporary sources of the First Crusade, "...the slaughter was so great that our men waded in blood up to their ankles...."[5] Tancred, Prince of Galilee claimed the Temple quarter for himself and offered protection to some of the Muslims there, but he was unable to prevent their deaths at the hands of his fellow crusaders. According to Fulcher of Chartres: "Indeed, if you had been there you would have seen our feet coloured to our ankles with the blood of the slain.