John Wilkinson    Family Tree 

Mother / Father Grandmother /Father Great Grandmother / Father 2 x Great Grandmother / Father 3 x Great Grandmother / Father   4 x Great Grandmother / Father 5 x Great Grandmother / Father 6 x Great Grandmother / Father 7 x Great Grandmother / Father 8 x Great Grandmother / Father 9 x Great Grandmother / Father 10 x Great Grandmother / Father 11 x Great Grandmother / Father 12 x Great Grandmother / Father 13 x Great Grandmother / Father 14 x Great Grandmother / Father 15 x Great Grandmother / Father 16 x Great Grandmother / Father 17 x Great Grandmother / Father 18 x Great Grandmother / Father 19 x Great Grandmother / Father 20 x Great Grandmother / Father 21 x Great Grandmother / Father 22 x Great Grandmother / Father 23 x Great Grandmother / Father 24 x Great Grandmother / Father 25 x Great Grandmother / Father 26 x Great Grandmother / Father 27 x Great Grandmother / Father 28 x Great Grandmother / Father 29 x Great Grandmother / Father 30 x Great Grandmother / Father

1 2 4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384 32,768 65,536 131,072 262,144 524,288 10248576 2097152 4194304 8388608 16,777,216 33,554,432 67,108,864 134,217,728 268,435,456 536,870,912 1,073,741,824 2,147,483,648