Complex sentence: At the latter school he was influenced by its headmaster, R. A. Watson, known to Maori as Te Miro Watihana, an English convert to Catholicism, who also gave the local children their religious lessons, working with the Mill Hill priests.
Split into simpler sentences: At the latter school he was influenced by its headmaster, R. A. Watson, known to Maori as Te Miro Watihana, an English convert to Catholicism. He also gave the local children their religious lessons, working with the Mill Hill priests.