Beatrice of Falkenburg
... that the stained glass donor portrait of the 23-year-old German queen Beatrice of Falkenburg, widow of Richard of Cornwall, is among the oldest still intact?
... that the stained glass <a href="./Donor_portrait" id="mwBlU" rel="mw:WikiLink" title="Donor portrait">donor portrait</a> <i id="mwBlY">(pictured)</i> of the 23-year-old German queen <b id="mwBlc"><a href="./Beatrice_of_Falkenburg" id="mwBlg" rel="mw:WikiLink" title="Beatrice of Falkenburg">Beatrice of Falkenburg</a></b>, widow of <a class="mw-redirect" href="./Richard,_1st_Earl_of_Cornwall" id="mwBlk" rel="mw:WikiLink" title="Richard, 1st Earl of Cornwall">Richard of Cornwall</a>, is among the oldest still intact?