In 1818 Catherine became a postulant to the Daughters of Charity at Catillon-sur-Seine. Three months later she returned to [[Paris]] to the Mother House of the Daughters of Charity and was entered into the seminary. | In 1818 Catherine became a postulant to the Daughters of Charity at Catillon-sur-Seine. Three months later she returned to [[Paris]] to the Mother House of the Daughters of Charity and was entered into the seminary. |