Given the question: Facts:   - title: emir of tabaristan    - caption: silver '' dirham '' issued by hasan    - reign: 864 -- 884    - successor: muhammad ibn zayd    - death date: 6 january 884      - house: zaydid dynasty    - father: zayd ibn muhammad    - name: hasan ibn zayd    - image size: 250px    - image: hasan ibn zayd 's dirham-2 . jpg    - religion: shi'a islam   Based on these bullet points, write a short biography describing the life of hasan ibn zayd .
The answer is:
al-Ḥasan ibn zayd ibn muḥammad ibn ismā ` il ibn al-Ḥasan ibn zayd -lrb- ; died 6 january 884 -rrb- , also known as al-da ` ī al-kabīr -lrb- , `` the great/elder missionary '' -rrb- , was an alid who became the founder of the zaydid dynasty of tabaristan .