She was born in Gubbio in Umbria, the tenth child in a family belonging to the minor nobility of Gubbio, who migrated to Rome with a view to bettering their fortunes.
Ia dilahirkan di Gubbio, anak kesepuluh dari sebuah keluarga bangsawan kecil di Gubbio, yang pindah ke Roma dengan tujuan untuk memperbaiki nasib mereka.