in recording the public lapse of some of the Jacobite bishops, in the middle of the twelfth century he makes particular mention of Aaron, bishop of a town in Khurāsān, as having become a Muhammadan after having been convicted of some moral fault; repenting of this change, he wished to regain his episcopal status, and when this was refused him, went to Constantinople and abjured the Monophysite doctrines of the Jacobite Church; then apparently dissatisfied with the reception he received in Constantinople, he returned to the Jacobite Patriarch, but a second time went over to Islam “without any reason”; then repenting again, he finally ended his days among the Maronites of Mount Lebanon. [221] A contemporary of Barhebræus, in the middle of the thirteenth century—Daniel, Bishop of Khabur—who is said to have been proficient in secular learning, sought to be appointed to the diocese of Aleppo, but disappointed in this ambition, he abandoned the Christian faith and to the grief and shame of all Christian people “became a Muslim; but God (praise be to His grace!) soon consoled his afflicted people and took away the shame from the redeemed, the redeemed of the Lord; for a few months later that unhappy wretch died miserably in a caravanserai; his name perished, he was taken away out of our midst, and no man knoweth his abiding place.” [222] But that these conversions were not merely isolated instances we have the valuable evidence of Jacques de Vitry, Bishop of Acre (1216–1225), who thus speaks of the Eastern Church from his experience of it in the Holy Land:—“Weakened and lamentably ensnared, nay rather grievously wounded, by the lying persuasions of the false prophet and by the allurements of carnal pleasure, she hath sunk down, and she that was brought up in scarlet, hath embraced dunghills.” [223] So far the Christian Churches that have been described as coming within the sphere of Muhammadan influence, have been the Orthodox Eastern Church and the heretical communions that had sprung out of it. But with the close of the eleventh century a fresh element was added to the Christian population of Syria and Palestine, in the large bodies of Crusaders of the Latin rite who settled in the kingdom of Jerusalem and the other states founded by the Crusaders, which maintained a precarious existence for nearly two centuries. During this period, occasional conversions to Islam were made from among these foreign immigrants. In the first Crusade, for example, a body of Germans and Lombards under the command of a certain knight, named Rainaud, had separated themselves from the main body and were besieged in a castle by the Saljūq Sultan, Arslān; on pretence of making a sortie, Rainaud and his personal followers abandoned their unfortunate companions and went over to the Turks, among whom they embraced Islam. [224]