Mirza Buzurg, the Vizier

Mírzá Buzurg, served as vizier to Imám-Virdi Mírzá, the twelfth son of Fat′h Ali Shah Qajar. Mírzá Buzurg was later appointed governor of Burujird and Lorestan, a position that he was stripped of during a government purge when Muhammad Shah came to power.

Genealogy: See Bahá'u'lláh's family tree

http://www.entrybytroops.org/bahaullahs-genealogy.html