Regarding the Zaydis between the time of Imam Zayd (as) and al-Hadi (as), they were alive and active in places like Hejaz, Iraq, North Africa, and other places. Some of the imams between the times of Imam Zayd (as) and al-Hadi (as) include: Imams Yahya bin Zayd, Muhammad bin Abdullah al-Kâmil, Ibrâhîm bin Abdullah, Mûsa bin Abdullah, Abdullah bin Muhammad bin Abdullah an-Nafs az-Zakiyya, ‘Isa bin Zayd, al-Hussein bin Ali bin al-Hasan, Yahya bin Abdullah, Moulat Idris bin Abdullah, Idris bin Idris, Muhammad bin Ibrâhîm, Muhammad bin Ja’far as-Sâdiq, al-Hasan bin Ibrâhîm, al-Qâsim ar-Rassi, Ali bin Mûsa ar-Reza, Muhammad bin al-Qâsim bin Ali, Muhammad bin Ja’far bin Yahya, Muhammad bin Sâlih bin Abdullah, just to name a few.