sentence1: Staf Scheirlinckx ( born March 12 , 1979 in Herzele ) is a professional racing cyclist , brother of another former Belgian bicycle professional , Bert Scheirlinckx .
sentence2: Staf Scheirlinckx ( born 12 March 1979 in Herzele ) is a Belgian former professional road bicycle racer , the brother of another professional cyclist , Bert Scheirlinckx .