The witch wondered if the old beliefs were still believed. Draco informed her they were, but it was more a tradition now than really understanding the purpose. All the old families performed the ritual, after ensuring the deceased was complete and whole, before burning the body. He admitted his father, his before him, and so on, remembered and believed. That was why each man included explicit instructions for their remains, their complete corpse, to be burned and the ashes spread on the family grounds.