Answer: My first child was born in 1994. She has two parents. I was born in 1966, which is 4 grandparents for my daughter. Going from the bottom up, every 27 years back on average might be a doubling of my ancestor parents. At the top it shows that, by around the year 1670, my children may have about 8,192 ancestor parents.
Oil, on 16 x16 x 1.25 canvas