Complex sentence: The second child of Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge, was due to be born in April 2015, but as of 1 May 20015 there's no birth annoucement.
Split into simpler sentences: The second child of Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge, was due to be born in April 2015. As of 1 May 20015 there's no birth annoucement.