While accompanying him on visits to the Dominican monastery in nearby Soncino, she met the stigmatic friar, Matthew Carrieri, OP, who instructed her in the catechism.

[2] In a subsequent miraculous experience in 1464, Christ appeared to her, accompanied by Mary and Dominican saints Dominic, Thomas Aquinas, and Catherine of Siena, presenting her with a wedding ring, signifying her mystical marriage.

[2] De Quinzanis started to work as a servant for her living, but she continued in her formation in the Third Order, and at age 15 made her profession at the Dominican priory in Soncino.

Her counsel was sought by many, including Angela Merici, foundress of the Ursulines, also Augustine Fangi, as well as her fellow Dominican tertiary and mystic, Osanna of Mantua.

Her cult was popularized by the Dominicans Bartholomeo of Mantua and Battista of Salò, but their Latin vitae have been lost, and only a later Italian version which combined the two texts has survived.