On the google first page, it says that he has dual Belgian and British nationality. https://www.google.co.uk/search?q=k...57.6829j0j7&sourceid=chrome&es_sm=93&ie=UTF-8
Bizzarely, it also says... 'Kevin De Bruyne is a Belgian professional footballer who plays as an attacking midfielder or winger for English club Manchester City and the Belgium national team.' Surely a WUM at work.