Conversation so far:
What year did Queen consort of England Jane Seymour die?
She died on 24 October 1537 at Hampton Court Palace.
How did Queen consort of England Jane Seymour die?
She died of postnatal complications less than two weeks after the birth of her only child

Question: What illness did she have?
Self-contained rewrite: What illness did Queen consort of England Jane Seymour have before her death?