Quran 12:58

وَجَآءَ إِخۡوَةُ يُوسُفَ فَدَخَلُواْ عَلَيۡهِ فَعَرَفَهُمۡ وَهُمۡ لَهُ ۥ مُنكِرُونَ ٥٨

Joseph’s brothers came; when they entered, he recognized them, while they did not recognize him.