سورة Yusuf 12:58

وَجَآءَ إِخْوَةُ يُوسُفَ فَدَخَلُوا۟ عَلَيْهِ فَعَرَفَهُمْ وَهُمْ لَهُۥ مُنكِرُونَ ٥٨

And Joseph’s brothers came and entered his presence. He recognized them but they were unaware of who he really was