Complex sentence: Dembélé was born in Wilrijk, Antwerp, Belgium, his father Yaya is of Malian origin, while his mother, Tilly Huygens, is Belgian of Flemish ethnicity.
Split into simpler sentences: Dembélé was born in Wilrijk, Antwerp, Belgium. His father Yaya is of Malian origin, while his mother, Tilly Huygens, is Belgian of Flemish ethnicity.