Princess Maria Ferdinanda of Saxony
... that while accompanying her sister for her marriage in Florence, Princess Maria Ferdinanda of Saxony met and eventually married the groom's father, becoming her sister's own step-mother-in-law?
... that while accompanying <a href="./Princess_Maria_Anna_of_Saxony_(1799–1832)" id="mwDUg" rel="mw:WikiLink" title="Princess Maria Anna of Saxony (1799–1832)">her sister</a> for her marriage in Florence, <b id="mwDUk"><a href="./Princess_Maria_Ferdinanda_of_Saxony" id="mwDUo" rel="mw:WikiLink" title="Princess Maria Ferdinanda of Saxony">Princess Maria Ferdinanda of Saxony</a></b> met and eventually married the groom's <a href="./Ferdinand_III,_Grand_Duke_of_Tuscany" id="mwDUs" rel="mw:WikiLink" title="Ferdinand III, Grand Duke of Tuscany">father</a>, becoming her sister's own step-mother-in-law?