As-Saffat 37:150

أَمْ خَلَقْنَا ٱلْمَلَـٰٓئِكَةَ إِنَـٰثًا وَهُمْ شَـٰهِدُونَ

Am khalaqnā l-malāikata ināthan wahum shāhidūna

Or did We create the angels as females while they were witnesses?"