2013 parliamentary by-election
... that half of the candidates who contested Gibraltar's 2013 parliamentary by-election are children of former Gibraltarian political leaders?
... that half of the candidates who contested Gibraltar's <b id="mwCWA"><a class="mw-redirect" href="./Gibraltar_by-election,_2013" id="mwCWE" rel="mw:WikiLink" title="Gibraltar by-election, 2013">2013 parliamentary by-election</a></b> are children of former Gibraltarian political leaders?