Mostafa Khamenei

Seyyed Mostafa Hosseini Khamenei (born c. 1965) is an Iranian Twelver Shia cleric  and the oldest son of Iran's supreme leader, Ali Khamenei.

He is also known as "Hujjatul-Islam/Ayatollah Seyyed Mostafa Khamenei", the son-in-law of Azizollah Khoshvaght (عزیزالله خوشوقت). He is also the eldest brother of: Mojtaba, Masoud (Mohsen) and Meitham Khamenei.

Mostafa Khamenei, who participated in the Iran–Iraq War,  is a resident of Qom. According to Ahmad Marvi, who is the assistant of seminary communications in Office of the Supreme Leader of Iran:

"Seyyed Mostafa Khamenei is teaching in seminary sciences/lessons (Makasib and Kifayah) in Qom. Neither he nor his brothers have a governmental/non-governmental/formal positions; he also doesn't have responsibility in the office of the Supreme Leader, and solely has co-operation in "work publication" segments of the mentioned office. Moreover, his father has prohibited his sons from accepting governmental positions."