human bodies and certainly not confined to physical antecedents whose descent into your sphere allowed only via your natural family. Only if a member of the natural family (itself not always determinable), say a grandparent or an uncle or an aunt, is worthy enough, powerful enough, knowledgeable enough, may he or she become an ancestor in the sense of a guardian spirit. To be an ancestor you do not need to be dead, but you do need to know the dead—that is, the invisible world and how and where it touches the living.
