portraits of his parents
... that the portraits of his parents that Albrecht Dürer painted when he was 19 are renowned for their depiction of the effects of ageing?
... that the <b id="mwCkA"><a href="./Portrait_Diptych_of_Dürer's_Parents" id="mwCkE" rel="mw:WikiLink" title="Portrait Diptych of Dürer's Parents">portraits of his parents</a></b> <i id="mwCkI">(father's portrait pictured)</i> that <a href="./Albrecht_Dürer" id="mwCkM" rel="mw:WikiLink" title="Albrecht Dürer">Albrecht Dürer</a> painted when he was 19 are renowned for their depiction of the effects of <a href="./Ageing" id="mwCkQ" rel="mw:WikiLink" title="Ageing">ageing</a>?