Complex sentence: In the 1600s two cakes were made, one for the bride and one for the groom the groom's cake eventually died out and the brides cake turned into the main cake for the event.
Split into simpler sentences: In the 1600s two cakes were made, one for the bride and one for the groom. The groom's cake eventually died out and the brides cake turned into the main cake for the event.