X-Nico

unusual facts about Sixtus IV



Dorothea of Brandenburg

In 1475 and 1488, Dorothea visited the reigning popes (Sixtus IV and Innocent VIII) in Rome and her sister Barbara in Mantua.

Hugh Clopton

In 1450 his father had received license to erect an oratory at the manor house, and in 1474 his elder brother, Thomas Clopton, obtained permission from Pope Sixtus IV to add a chapel to the house for the celebration of divine service.

Robert Flemming

Here he formed a friendship with Platina, the author of the ‘Lives of the Popes,’ and librarian of the Vatican, and other learned men, and became known to the reigning pontiff, Sixtus IV, a pope whose sole recommendation was his love of letters.


see also

Pazzi conspiracy

Sixtus IV appointed his nephew, Girolamo Riario, as the new governor of Imola, and Francesco Salviati as archbishop of Pisa, a city that was a former commercial rival but now subject to Florence.