وَلَقَدۡ اٰتَيۡنَا مُوۡسَي الۡكِتٰبَ وَجَعَلۡنَا مَعَهٗ٘ اَخَاهُ هٰرُوۡنَ وَزِيۡرًاۚۖ‏

And We had certainly given Moses the Scripture and appointed with him his brother Aaron as an assistant