Complex sentence: The German Rugby Federation (or "DRV") is the governing body for rugby union in Germany, which organizes the national team and the three league divisions: the Rugby-Bundesliga, the 2nd Rugby-Bundesliga and the Rugby-Regionalliga.
Split into simpler sentences: The German Rugby Federation (or "DRV") is the governing body for rugby union in Germany. It organizes the national team and the three league divisions: the Rugby-Bundesliga, the 2nd Rugby-Bundesliga and the Rugby-Regionalliga.