Is it possible to have your family tree dating back as far to 500 years ago?

I did a test and found out I had German,Italian,Poland (what is Poland?),Spain and then some parts from Africa and then they put Afrcan American oh yeah also I have Iran too (that was a real shock oddly) Is it possible to find all my family ties from Africa,am not so sure about Iran at the moment,and Poland... show more I did a test and found out I had German,Italian,Poland (what is Poland?),Spain and then some parts from Africa and then they put Afrcan American oh yeah also I have Iran too (that was a real shock oddly)

Is it possible to find all my family ties from Africa,am not so sure about Iran at the moment,and Poland ect. with pictures have all my family records for myself starting 500 years ago and now?
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