The House of Colleoni was a Guelf-allied noble family in medieval Bergamo. Their Ghibelline opponents were the Suardi family, of which the Colleoni themselves were a branch.Families: Colleoni (Accessed December 2024) https://www.difamigliainfamiglia.it/en/famiglia/colleoni/
History The family's coat of arms was two pairs of white testicles on a red field, above one red pair on a white field.
See also
Palazzo Colleoni alla Pace Cappella Colleoni Bartolomeo Colleoni
References