Maria Leopoldina of Austria
Among her many siblings were Emperor Ferdinand I of Austria and Marie Louise , Duchess of Parma , the wife of Napoleon Bonaparte . 
<triplet> Ferdinand I of Austria <subj> Marie Louise, Duchess of Parma <obj> sibling <triplet> Marie Louise, Duchess of Parma <subj> Ferdinand I of Austria <obj> sibling <subj> Napoleon Bonaparte <obj> spouse <triplet> Napoleon Bonaparte <subj> Marie Louise, Duchess of Parma <obj> spouse