Agnes Robertson
... that Agnes Robertson served in the Australian Senate until she was 79, and switched political parties at the age of 73?
... that <b id="mwAfY"><a class="mw-disambig" href="./Agnes_Robertson" id="mwAfc" rel="mw:WikiLink" title="Agnes Robertson">Agnes Robertson</a></b> served in the <a href="./Australian_Senate" id="mwAfg" rel="mw:WikiLink" title="Australian Senate">Australian Senate</a> until she was 79, and switched political parties at the age of 73?