Archie Mountbatten-Windsor
... that a nine-day-old citizen of the United States, Archie Mountbatten-Windsor, is seventh in the line of succession to the British throne?
... that a nine-day-old <a href="./Citizenship_of_the_United_States" id="mwAyM" rel="mw:WikiLink" title="Citizenship of the United States">citizen of the United States</a>, <b id="mwAyQ"><a class="mw-redirect" href="./Archie_Mountbatten-Windsor" id="mwAyU" rel="mw:WikiLink" title="Archie Mountbatten-Windsor">Archie Mountbatten-Windsor</a></b>, is seventh in the <a href="./Succession_to_the_British_throne#Current_line_of_succession" id="mwAyY" rel="mw:WikiLink" title="Succession to the British throne">line of succession to the British throne</a>?