Complex sentence: According to the figures recorded in Wilson's book, "The Downfall of the Liberal Party", 159 Liberal candidates received the "coupon", a few of whom were Independent Liberals, supporters of H H Asquith.
Split into simpler sentences: According to the figures recorded in Wilson's book, "The Downfall of the Liberal Party", 159 Liberal candidates received the "coupon". A few of these were Independent Liberals, supporters of H H Asquith.