his paintings
... that Winston Churchill, an amateur painter, held the first exhibition of his paintings in Paris under a pseudonym?
... that <a href="./Winston_Churchill" id="mwCig" rel="mw:WikiLink" title="Winston Churchill">Winston Churchill</a>, an amateur painter, held the first exhibition of <b id="mwCik"><a href="./Winston_Churchill_as_painter" id="mwCio" rel="mw:WikiLink" title="Winston Churchill as painter">his paintings</a></b> in Paris under a pseudonym?