Complex sentence: O'Sullivan was born in Auckland and received his senior secondary education as a boarder at Hato Petera College in respect of which he has stated: Having attended a Maori Catholic boarding school, I realised the importance of faith.
Split into simpler sentences: O'Sullivan was born in Auckland and received his senior secondary education as a boarder at Hato Petera College. He has stated, in respect of this: Having attended a Maori Catholic boarding school, I realised the importance of faith.