Conversation so far:
Are there any other interesting aspects about this article?
The break-up of the marriage was somewhat dramatic.
Who was Pen married to?
Pierrette Lalanne.
When was the marriage consummated?
resulted in three daughters.
What year did they wed?
1960.

Question: What profession did Pen hold to cause great wealth?
Self-contained rewrite: What profession did Jean-Marie Le Pen hold to cause great wealth?