Complex sentence: The Viceroy and Governors of the various provinces and the Maharajas of princely states with their large glittering and colourful entourages attended the grand Durbar spectacle, which was presided over by the Lord and Lady Curzon, the Viceroy and Vicereine of India.
Split into simpler sentences: The Viceroy and Governors of the various provinces and the Maharajas of princely states were present, bringing their large colourful. The event was presided over by the Lord and Lady Curzon, the Viceroy and Vicereine of India.