Unfortunately at this point our best authority ceases; and we cannot well explain the changes which brought about the Christianization of the Normans and their settlement in Normandy as vassals, though recalcitrant ones, of the West Frankish kings.
The work of political unification was essentially more difficult than the christianization of Spain.
Jewish influence appears in the name Raliman (see above), while efforts at Christianization seem to have gone forth from several places at various times.
But the Christianization of the inland Pontic districts began only about the middle of the 3rd century and was largely due to the missionary zeal of Gregory Thaumaturgus, bishop of Neocaesarea.
By the 6th century it was evidently virtually independent again; its Christianization had begun with the immigration of Monothelite sectaries, flying from persecution in the Antioch district and Orontes valley.