Cardinal Guillaume Fillastre
Two ambassadors of Prester John, one Christian and the other infidel came to Alfonso king of Aragon in the year of our Lord 1427."
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Christians of Prester John, who is said to reign over seventy-two kings, of which twelve are infidels, the rest Christians yet different in rituals and mores. Little is known of [what is] beyond the equator with the exception of the great region of Agisimba [Abyssinia], which is included in this map and drawn at the south end.