Conversation so far:
What was special about the mughal empress Mumtaz Mahal?
Upon his accession to the throne in 1628, Shah Jahan designated Mumtaz Mahal as his chief empress with the title of 'Malika-i-Jahan' and 'Malika-uz-Zamani'.
Are there any other interesting aspects about this Mumtaz Mahal mughal empress article?
Mumtaz Mahal's tenure as empress was brief, due to her untimely death, nonetheless Shah Jahan bestowed her with luxuries that no other empress was given before her.
did Mumtaz Mahal and Shah Jahan marry?
Mumtaz Mahal was betrothed to Shah Jahan around 30 January 1607, when she was 14 years old at the time and he was 15.

Question: did they have any children?
Self-contained rewrite: did Mumtaz Mahal and Shah Jahan have any children?