Article L434-3 of the French Code governing the entry and residence of foreign nationals and the right of asylum
Family reunification may also be applied for in respect of the applicant’s children under the age of eighteen and those of the applicant’s spouse if, on the day of the application:1° Parentage is established only in respect of the applicant or the applicant’s spouse;2° Or where the other parent is deceased or stripped of parental rights.