Sardār-e Īravānī was the title of Hossein Khan Sardar Qajar (1740–1830) and his brother Hasan Khan Qajar, the last governor of Eravan (Iravan, Jerevan, Yerevan) 1807-28, the son of Mohammad Khan Qajar (Amir Kabir) uncle of Agha Mohammad Khan Qajar the founder of Qajar Dynasty in Persia and also the ancestor of family Sardari Iravani, an old Persian Qajar family.
References
Sardar Iravani Wikipedia(Text) CC BY-SA