Imamzadeh Zeid with family name of Abul Hassan is a descendent of Imam Zein Al-Abedin. His tomb is located in “Sadeghie” region near Saveh Road, in the public graveyard.
Imamzadeh Zied is of decedents of the fourth Imam of Shiites, and according to so many reliable narrations he has been martyred. According to the narrations as he wanted to go and visit Imam Reza he had been martyred in this region.
Imamzadeh Zeid is the 7th generation after Imam Zein Al-Abedin. They have made the shrine circular, and its about 30 thousand Square meters.
http://www.emamzadeha.ir/english/