Al-Qasim ibn Muhammad ibn Ali ibn Muhammad ibn Ali ibn al-Rasheed ibn Ahmed ibn al-Hussein ibn Ali Bani Yahya ibn Muhammad ibn Yusuf ibn Qasim ibn Yusuf ibn Yahya ibn Ahmed ibn Yahya
Al-Mansur al-Qasim (November 13, 1559 – February 19, 1620), with the cognomen al-Kabir (the Great), was an Imam of Yemen, who commenced the struggle to liberate Yemen from the Ottoman occupiers. He was the founder of a Zaidi kingdom that endured, under many vicissitudes, until 1970.