Surah Yusuf Verse 58

وَجَاءَ إِخْوَةُ يُوسُفَ فَدَخَلُوا عَلَيْهِ فَعَرَفَهُمْ وَهُمْ لَهُ مُنْكِرُونَ

And the brothers of Joseph came [seeking food], and they entered upon him; and he recognized them, but he was to them unknown