That Night in Varennes
They are all traveling together in a coach that is a few hours behind the one that is carrying King Louis XVI and Marie Antoinette in their flight to Varennes during the French Revolution . 
<triplet> King Louis XVI <subj> Marie Antoinette <obj> spouse <triplet> Marie Antoinette <subj> French Revolution <obj> participant in <triplet> flight to Varennes <subj> French Revolution <obj> part of