Conversation so far:
who were ban's family?
Ban Ki-moon married Yoo Soon-taek in 1971.
did they have children?
They have three adult children: two daughters and a son.
what were their names?
His elder daughter, Seon-yong.
did the children marry?
Her spouse is a native of India.

Question: What other family members does ban have?
Self-contained rewrite: Besides Seon-yong, what other family members does Ban Ki-moon have?