Conversation so far:
who was Bob Hope's first wife?
Hope's short-lived first marriage was to vaudeville partner Grace Louise Troxell (1912-1992)
what did Grace Louise Troxell do?
a secretary from Chicago, Illinois
Did Bob Hope and Grace Louise Troxell have children?
No

Question: when did they get married?
Self-contained rewrite: when did Bob Hope and Grace Louise Troxell get married?