Complex sentence: Displaying his old masters collection to the public at his London house on Duchess Street, a mansion at 116 Piccadilly and at Deepdene, Surrey, he was also a patron to idealists such as Young England and the Spanish Carlists and helped organise the 1851 Great Exhibition.
Split into simpler sentences: Displaying his old masters collection to the public at his London house on Duchess Street, a mansion at 116 Piccadilly and at Deepdene, Surrey. He was also a patron to idealists such as Young England and the Spanish Carlists and helped organise the 1851 Great Exhibition.