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 .
Answer:
al-Hasan ibn zayd ibn muhammad ibn isma ' il ibn al-Hasan ibn zayd -lrb- ; died 6 january 884 -rrb- , also known as al-da ' i al-kabir -lrb- , '' the great/elder missionary '' -rrb- , was an alid who became the founder of the zaydid dynasty of tabaristan .