Complex sentence: The order never reveals the number of its members but it does seem to be smaller than the legally recognized Ordo Templi Orientis, the legally recognized O.T.O. is now headed by an expelled student of Motta's named William Breeze.
Split into simpler sentences: The order never reveals the number of its members but it does seem to be smaller than the legally recognized Ordo Templi Orientis. The legally recognized O.T.O. is now headed by an expelled student of Motta's named William Breeze.