Roberto Guillermo Sieburger (26 February 1917 – 20 October 2012)[1] was an Argentine sailor.
[3] His other cousin, Carlos and Enrique Jr's sister Marylin, married Jorge del Río Sálas, with whom he had sailed (also to fourth place) in the 5.5m class at the 1952 Olympics.
[4] Together with Jorge del Rio's cousin Jorge Salas Chávez, his Sieburger-Salas extended family has sailors who made twenty Olympic appearances for Argentina.
He married Maria Erlina Allen and had a son, Roberto Eduardo.
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