Sietze played football for Graafschap in his youth and, during his university years, he played for Oranje Nassau in Groningen, the Netherlands National amateur team and Dutch Olympic team. He is a dentist in Groningen.
Sietze played football for Graafschap in his youth and, during his university years, he played for Oranje Nassau in Groningen, the Netherlands National amateur team and Dutch Olympic team. He is a dentist in Groningen.
De stichting FEFL helpt organisaties om hun bewegingsprogramma’s verder te ontwikkelen, waarin de verbindende kracht van voetbal ingezet wordt voor een sterkere samenleving.
Copyright © 2025 FEFL | Website door WPinaday