2 verses have
brother
in Edition Clear Qur'an by Talal Itani / Al-Qasas (The Stories)

28:34And my brother Aaron, he is more eloquent than me, so send him with me, to help me, and to confirm my words, for I fear they will reject me.”

28:35He said, “We will strengthen your arm with your brother, and We will give you authority, so they will not touch you. By virtue of Our signs, you and those who follow you will be the triumphant.”