Complex sentence: Caulfield North was once home to many large Victorian mansions, most of which were demolished and subdivided, however a few remain, the most notable of which is Labassa, which is owned by the National Trust.
Split into simpler sentences: Caulfield North was once home to many large Victorian mansions, most of which were demolished and subdivided, however a few remain. The most notable of which is Labassa, which is owned by the National Trust.