Ronald de Boer is the older twin brother of this Dutch former footballer born in what year?
Ronald de Boer Ronaldus "Ronald" de Boer (] ; born 15 May 1970) is a Dutch former football midfielder who played for the Netherlands national team as well as a host of professional clubs in Europe. He is the older twin brother of Frank de Boer.
Roel Stoffels Roel Stoffels (born 10 January 1987) is a Dutch former professional footballer.