Cornelis Janssens
... that one of the most gifted portrait painters of the 17th century is known as Cornelis Janssens, although he never used that name to sign his paintings?
... that one of the most gifted portrait painters of the 17th century is known as <b id="mwFb8"><a class="mw-redirect" href="./Cornelis_Janssens_van_Ceulen" id="mwFcA" rel="mw:WikiLink" title="Cornelis Janssens van Ceulen">Cornelis Janssens</a></b>, although he never used that name to sign his paintings?