Person

Costanzo I Sforza

1447–1483 · 15th century

Costanzo I Sforza was lord of Pesaro from 1473 to 1483, son of Alessandro Sforza and Costanza da Varano. A condottiero in the service of several Italian states, he began the Rocca Costanza fortress in Pesaro in 1474 and married Camilla d'Aragona. He was succeeded by his illegitimate son Giovanni Sforza, first husband of Lucrezia Borgia.

Costanzo I Sforza — Image: Gianfrancesco Enzola · CC BY-SA 3.0 · Wikimedia Commons

Mentioned in 1 state history

Lordship of Pesaro

See also

Cite this entry

APA: The Epoch Institute. (2026). Costanzo I Sforza. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/costanzo-i-sforza
MLA: “Costanzo I Sforza.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/costanzo-i-sforza. Accessed .
Chicago: The Epoch Institute. “Costanzo I Sforza.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/costanzo-i-sforza.
Harvard: The Epoch Institute (2026) ‘Costanzo I Sforza’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/costanzo-i-sforza (Accessed: ).

Last reviewed October 2026Random entry ↻