original name Rodrigo Borgia. 1431–1503, pope (1492–1503): noted for his extravagance and immorality as well as for his patronage of the arts; father of Cesare and Lucrezia Borgia, with whom he is said to have committed incest
Alexander VI in American English
noun
(Rodrigo Borgia) 1431?–1503, Italian ecclesiastic: pope 1492–1503 (father of Cesare and Lucrezia Borgia)