Conversation so far:
Did Hasan al-Askari ever marry?
Hasan Al-Askari married Narjis Khatun.
Who was Narjis Khatun?
Narjis Khatun was Hasan al-Askari's wife.

Question: Did they have any children?
Self-contained rewrite: Did Hasan al-Askari and Narjis Khatun have any children?