Conversation so far:
When was Chen Guangcheng born?
Chen Guangcheng was born 12 November 1971 in a rural area of Shandong province.
Does Chen Guangcheng have any siblings?
Chen Guangcheng is the youngest of five brothers of a peasant family.
Where did Chen Guangcheng go to primary and secondary school?
In 1989 Chen Guangcheng attended the Elementary School for the Blind in Linyi. In 1994, he enrolled at the Qingdao High School for the Blind, where he studied until 1998.
Is Chen Guangcheng married?
Chen Guangcheng met his wife, Yuan Weijing, in 2001, after listening to a radio talk show.
Do Chen Guangcheng and Yuan Weijing have children?
Chen Guangcheng and Yuan Weijing's son, Chen Kerui, was born in 2003.

Question: DO they have any other children?
Self-contained rewrite: Do Chen Guangcheng and Yuan Weijing have any other children?