Complex sentence: In the earlier versions of the "Lost Tales" this man is named Eriol, of some vague north European origin, but in later versions he becomes Ælfwine, an Englishman of the Middle-ages.
Split into simpler sentences: In the earlier versions this man is named Eriol and is of some vague north European origin. In later versions he becomes Ælfwine, an Englishman of the Middle-ages.