Conversation so far:
was Stephen Stills married?
Stephen Stills met his first wife, the singer-songwriter Véronique Sanson. They were married on March 14, 1973.
where did Stephen Stills meet Veronique Sanson?
During a Manassas tour in France, Stephen Stills met his first wife.
when did Stephen Stills and Veronique Sanson divorce?
They divorced in 1979.
did Stephen Stills and Veronique Sanson have any children?
Their son Christopher was born in 1974.

Question: did he date anyone famous before his first marriage?
Self-contained rewrite: did Stephen Stills date anyone famous before his first marriage?