Zu Zepu, whose courtesy name was Longyuan, was a native of Ningyuan in Liaodong and the eldest biological son of Zu Dashou.
(Before Zu Zepu was born, Zu Dashou had a stepson named Zu Zerun.)
Following the defeat at the Battle of Songjin, Zu Dashou, after being besieged for a full year, surrendered to the Qing alongside his cousin Zu Dabiao, stepson Zu Zerun, and nephew Zu Zechun.
Chapter 704