He had arranged for her to marry a cousin, but she refused to consent and chose instead to remain single and dedicate herself to a spiritual and devotional life.
[1][3] Caterina was the only woman included in Giovanni Battista Passeri's biography of contemporary artists and was one of a few women to become a member of the Accademia di San Luca.
[1] He also asked her to paint altarpieces for the church of Santa Lucia alle Botteghe Oscure in Rome and for his chapel in the cathedral of Velletri (now lost).
[1] Caterina also painted a small oval of the Virgin for this church, as well as an altarpiece of Saint Blaise healing a boy, whose face is said to be modelled on Cardinal Ginnasi.
dell'Angeli Custodi (demolished in 1928-1929 for the Via del Tritone) depicting a guardian angel leading a boy to Paradise away from Hell (now lost).
[3] A portrait of Cardinal Ginnasi in the Podestà-Lucciardi Collection, Sarzana, has been attributed to Caterina; along with an oval version previously in the Castel Bolognese.