2 verses have
Aaron
in Edition Clear Qur'an by Talal Itani / Al-A'raaf (The Heights)

7:122“The Lord of Moses and Aaron.”

7:142And We appointed to Moses thirty nights, and completed them with ten; and thus the time appointed by his Lord was forty nights. And Moses said to his brother Aaron: “Take my place among my people, and be upright, and do not follow the way of the mischief-makers.”