Conversation so far:
who was Bob Hope's first wife?
vaudeville partner Grace Louise Troxell.
what did Grace do?
a secretary from Chicago, Illinois, who was the daughter of Edward and Mary (McGinnes) Troxell.
Did they have children?
CANNOTANSWER.

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