Complex sentence: Jan Theodorus Wagenaar (born July 7,1965 in Amersfoort) is a retired water polo player from The Netherlands, who finished in ninth position with the Dutch team at the 1992 Summer Olympics in Barcelona.
Split into simpler sentences: Jan Theodorus Wagenaar (born July 7,1965 in Amersfoort) is a retired water polo player from The Netherlands. He finished in ninth position with the Dutch team at the 1992 Summer Olympics in Barcelona.