Black Allan
... that Black Allan's running walk made him unfit for harness racing, yet he became the foundation sire of the Tennessee Walking Horse?
... that <b id="mwASs"><a href="./Black_Allan_(horse)" id="mwASw" rel="mw:WikiLink" title="Black Allan (horse)">Black Allan</a></b><span about="#mwt25" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"`s","href":"./Template:`s"},"params":{},"i":0}}]}' id="mwAS0" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> <a href="./Ambling_gait" id="mwAS4" rel="mw:WikiLink" title="Ambling gait">running walk</a> made him unfit for <a href="./Harness_racing" id="mwAS8" rel="mw:WikiLink" title="Harness racing">harness racing</a>, yet he became the <a class="mw-redirect" href="./Foundation_bloodstock" id="mwATA" rel="mw:WikiLink" title="Foundation bloodstock">foundation sire</a> of the <a href="./Tennessee_Walking_Horse" id="mwATE" rel="mw:WikiLink" title="Tennessee Walking Horse">Tennessee Walking Horse</a>?