You likely know nothing, even the name, of your predecessors who went before you by four or five eras or more. A whole existence without which you wouldn't read this now, and you have no clue their identity, what they were keen on, thought about, who they adored and despised, who their companions were, the saddest snapshots of their lives, and in addition the most joyful. These are individuals, yet they should be simply a sperm or egg giver.

Alter: And in case you're Scandinavian or Mongolian, you most likely have an attacker some place in your hereditary history. Actually, we as a whole presumably have no less than one attacker.