Jan Jaap Korevaar
Jan Jaap Korevaar (born May 22, 1957 in Delft) is a former water polo player from the Netherlands. He finished in sixth position with the Dutch team at the 1980 Summer Olympics in Moscow.
...
Wikipedia
Jan Jaap Korevaar (born May 22, 1957 in Delft) is a former water polo player from the Netherlands. He finished in sixth position with the Dutch team at the 1980 Summer Olympics in Moscow.