Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
quran:20:30

Aaron, my brother.  

Aaron (Hārūna, constitutes the second object), my brother (akhī, an explicative supplement).
القرآن:٢٠:٣٠

هَارُونَ أَخِي  

{هارون} مفعول ثان {أخي} عطف بيان.