He was succeeded by his son Soltan - Ali as leader of the Safaviyya .
In a pitched battled that ensued , Shaykh Haydar and his men were defeated and killed .
Shaykh Haydar was succeeded by Shaykh Haydar 's son Soltan - Ali as leader of the Safaviyya .
In a pitched battled that ensued , Shaykh Haydar and his men were defeated and killed .