Pius III became pope after Alexander VI in 1503. When Alexander VI died on September 22, 1503, Francesco Todeschini Piccolomini was named pope and he took the name Pius III.
No, there was never a pope named Alexander Sexton. There was also a Pope Alexander Sextus meaning Pope Alexander the Sixth (VI).
There has never been a Pope Rodrigo but Rodrigo Borgia became Pope Alexander VI.
The line determined by Pope Alexander the sixth which split South America between Spain and Portugal is named the Line of Demarcation.
Pope Alexander I died in 115.
There has never been a Pope Alexander XVI.
Yes, there was a pope named Alexander II.
Alexander Pope was born on May 21, 1688.
Alexander Pope Field died in 1876.
Pope Alexander IV was born in 1199.
Pope Alexander III was born in 1100.
Pope Urban IV succeeded Alexander IV.
Alexander Pope Field was born in 1800.