Complex sentence: George (10th Dan Black Belt) eventually felt that certain people were not adhering to his principles and the way he wanted techniques practised that he divorced himself from Kyushindo, setting up a new style called Mayo Shin Do.
Split into simpler sentences: George (10th Dan Black Belt) eventually felt that certain people were not adhering to his principles and the way he wanted techniques practised. He divorced himself from Kyushindo, setting up a new style called Mayo Shin Do.