How Darth Vader SLAUGHTERED Count Dooku’s Family After Revenge of the Sith

There were many lose ends after the events of Revenge of the Sith that required the attention of Darth Sidious and his new apprentice Darth Vader, the most pressing of which was dealing with the leaders of the planet of Serenno and the family of Count Dooku as they held insider knowledge on Darth Sidious as well as immense amounts of wealth and power.