Complex sentence: The couple were married on May 29th 1999 in the palace of westminster chapel of the Houses of Parliament in London, followed by a reception at The Dorchester which netted them a £400,000 deal from Hello! magazine.
Split into simpler sentences: The couple were married on 29 May 1999 in the Palace of Westminster chapel, namely the Houses of Parliament in London followed by a reception at The Dorchester Hotel. The reception which netted them a £400,000 deal from Hello! magazine.