Many ancestors, many siblings, many descendants, many cousins

rivers_family_treeIt is hard to imagine sometimes how many ancestors we have when we go pretty far back in generations.

 
When you start counting these things it’s easy, at least for me, to be amazed.
 
Everyone has two biological parents, no matter how complicated the fertilization process is, because, let’s face it, things have changed. There are all kinds of technologies and procedures that complicate matters, but just for the sake of this lesson: We each have two (biological) parents, and every one of our ancestors has two parents.

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