Al-Mu'ayyad Ahmad's ancestor in the tenth degree was the Shi'a imam Hasan bin Ali.
[1] He was a disciple of Abu Abdallah al-Basri and the Qadi Abd al-Jabbar, and a learned expert on the Ahl al-Bayt concept.
[2] Al-Mu'ayyad Ahmad was accepted as imam in Gilan and Deylaman in Persia, and had connections with the Zaidi area of Yemen.
In Zaidi historiography, al-Mu'ayyad Ahmad is sometimes listed as such, although he never visited Yemen.
[3] He died in Langa in Deylaman in 1020, being succeeded by his brother Abu Talib Yahya.