Guillaume Séron
Séron competed for the Brussels Swimming and Water Polo Club , and the team was selected to represent Belgium at the 1900 Summer Olympics in Paris , France , the team won a silver medal after losing in the final against the Osborne Swimming club which represented the Great Britain , but this came after the Belgium team had beaten two French sides in the previous rounds . 
<triplet> 1900 Summer Olympics <subj> France <obj> country <triplet> Great Britain <subj> 1900 Summer Olympics <obj> participant in <subj> 1900 <obj> point in time