call them after their true fathers that is more equitable in the sight of god. if you know not who their fathers were then they are your brothers in religion and your clients. there is no fault in you if you make mistakes but only in what your hearts premeditate. god is allforgiving allcompassionate.
ادعوهم لآبائهم هو أقسط عند الله فإن لم تعلموا آباءهم فإخوانكم في الدين ومواليكم وليس عليكم جناح فيما أخطأتم به ولكن ما تعمدت قلوبكم وكان الله غفورا رحيما