Complex sentence: One of the three persons appeared to have the beard of an apostle and the figure of a high dignitary of the Church; the two others, by a certain sound as of armour rubbing beneath their mantles, revealed themselves as men-at-arms.
Split into simpler sentences: One of the three persons appeared to have the beard of an apostle and the figure of a high dignitary of the Church. The two others, by a certain sound as of armour rubbing beneath their mantles, revealed themselves as men-at-arms.