Charles Blackwell
... that Charles Blackwell was the third Blackwell (after his father and his grandfather) to be elected to the Institution of Civil Engineers?
... that <b id="mwBmg"><a href="./Charles_Blackwell_(engineer)" id="mwBmk" rel="mw:WikiLink" title="Charles Blackwell (engineer)">Charles Blackwell</a></b> was the third Blackwell (after <a href="./Thomas_Evans_Blackwell" id="mwBmo" rel="mw:WikiLink" title="Thomas Evans Blackwell">his father</a> and <a href="./John_Blackwell_(engineer)" id="mwBms" rel="mw:WikiLink" title="John Blackwell (engineer)">his grandfather</a>) to be elected to the <a href="./Institution_of_Civil_Engineers" id="mwBmw" rel="mw:WikiLink" title="Institution of Civil Engineers">Institution of Civil Engineers</a>?