Complex sentence: Isabelle Arnould (born December 6,1970 in Liège) is a retired female freestyle swimmer from Belgium, who represented her native country at two consecutive Summer Olympics, starting in Seoul, South Korea (1988).
Split into simpler sentences: Isabelle Arnould (born December 6,1970) is a retired female freestyle swimmer from Belgium. Arnould was born in Liège, and represented her native country at two consecutive Summer Olympics, starting in Seoul, South Korea (1988).