Conversation so far:
Did Murray Rothbard marry?
Murray Rothbard was married to JoAnn Rothbard until his death in 1995.
Did Murray Rothbard and JoAnn Rothbard divorce?
Murray Rothbard was married to JoAnn Rothbard until his death in 1995.

Question: Did they have any children?
Self-contained rewrite: Did Murray Rothbard and JoAnn Rothbard have any children?