Al-Qasim al-Rassi
Al-Qāsim ibn Ibrāhīm Ṭabāṭabā ibn Ismāʿīl al-Dībādj ibn Ibrāhīm al-Ghamr ibn al-Ḥasan al-Muthannā ibn al-Ḥasan ibn ʿAlī ibn Abī Ṭālib ar-Rassī (Arabic: القاسم بن ابراهيم بن اسماعيل بن ابراهيم بن الحسن بن الحسن بن علي بن أبي طالب الرسي; 785–860) was a 9th-century religious leader in the Arabian Peninsula. He was one of the founders of the theological traditions of the Zaydi branch of Shi'a Islam, and is considered as an imam by the Zaydis. His grandson Yahya founded the Rassid dynasty of Zaydi imams of Yemen.