Osmaston Hall
... that Charles Darwin frequently visited Osmaston Hall in Derby, England?
... that <a href="./Charles_Darwin" id="mwCAY" rel="mw:WikiLink" title="Charles Darwin">Charles Darwin</a> frequently visited <b id="mwCAc"><a href="./Osmaston_Hall" id="mwCAg" rel="mw:WikiLink" title="Osmaston Hall">Osmaston Hall</a></b> in <a href="./Derby" id="mwCAk" rel="mw:WikiLink" title="Derby">Derby</a>, <a href="./England" id="mwCAo" rel="mw:WikiLink" title="England">England</a>?