Complex sentence: Exception: for biographical articles neither a first name nor a last name are usually omitted for conciseness, for example Oprah Winfrey (not Oprah), Ludwig van Beethoven (not Van Beethoven).
Split into simpler sentences: Exception: for biographical articles, neither a given name nor a surname is usually omitted for conciseness. For example Oprah Winfrey (not Oprah), Ludwig van Beethoven (not Beethoven).