The Sforza became allied with the Borgia family through the arranged marriage (1493–1497) between Lucrezia Borgia and Giovanni (the illegitimate son of Costanzo I of Pesaro). This alliance failed, as the Borgia family annulled the marriage once the Sforza family were no longer needed.
The Sforza became allied with the Borgia family through the arranged marriage (1493–1497) between Lucrezia Borgia and Giovanni (the ,illegitimate son of Costanzo I of Pesaro). This alliance failed as the Borgia family annulled the marriage once the Sforza family were no longer needed.