Conversation so far:
Did Jimmy Doolittle marry?
Doolittle married Josephine Joe E. Daniels on December 24, 1917.
Did Jimmy Doolittle and his wife Josephine Daniels have any children?
The Doolittles had two sons, James Jr., and John.
Are there any other interesting aspects about the Doolittles' kids?
The Doolittles had two sons, James Jr., and John. Both became military officers and pilots.
Did Jimmy Doolittle and his wife divorce?
Jimmy Doolittle did not divorce his wife.

Question: Who died first?
Self-contained rewrite: Who died first between Jimmy Dootlittle and his wife Josephine?