Princess Irene of the Netherlands
... that the conversion to Catholicism of Princess Irene of the Netherlands and her marriage to Prince Carlos Hugo, Duke of Parma, caused a constitutional crisis for her country?
... that the conversion to <a class="mw-redirect" href="./Catholicism" id="mwAjM" rel="mw:WikiLink" title="Catholicism">Catholicism</a> of <b id="mwAjQ"><a href="./Princess_Irene_of_the_Netherlands" id="mwAjU" rel="mw:WikiLink" title="Princess Irene of the Netherlands">Princess Irene of the Netherlands</a></b> <i id="mwAjY">(pictured with two of her sisters)</i> and her marriage to Prince <a href="./Carlos_Hugo,_Duke_of_Parma" id="mwAjc" rel="mw:WikiLink" title="Carlos Hugo, Duke of Parma">Carlos Hugo, Duke of Parma</a>, caused a <a href="./Constitutional_crisis" id="mwAjg" rel="mw:WikiLink" title="Constitutional crisis">constitutional crisis</a> for her country?