Rodrigo de Castro Pereira
... that tennis champion Rodrigo de Castro Pereira, a scion of the Portuguese royal family, worked as a laborer in a U.S. ironworks?
... that tennis champion <b id="mwAZ0"><a href="./Rodrigo_de_Castro_Pereira" id="mwAZ4" rel="mw:WikiLink" title="Rodrigo de Castro Pereira">Rodrigo de Castro Pereira</a></b>, a scion of the <a href="./House_of_Braganza" id="mwAZ8" rel="mw:WikiLink" title="House of Braganza">Portuguese royal family</a>, worked as a laborer in a U.S. ironworks?