I’m posting this again as a reminder to myself and my readers alike.
I have been adding ancestors to my family tree – Janet’s Family Tree – on Ancestry.com These ancestors range from 8th Great Grandfather (or 8th Great Grandmother) to as far back as 13th Great Grandfather (or 13th Great Grandmother).
One set of Grandparents has 2 people. A grandfather and a grandmother
Two sets of Grandparents consists of 4 people. 2 Great Grandfathers and 2 Great Grandmothers
Four sets of Grandparents consists of 8 people 4 Great Grandfathers and 4 Great Grandmothers
and so the numbers keep doubling
1 Grandfather
2 Great Grandfathers
4 Great Great Grandfathers
8 Great Great Great Grandfathers
16 Great Great Great Great Grandfathers
32 Great Great Great Great Great Grandfathers
64 6th GGF’s
128 7th GGF’s
256 8th GGF’s
512. 9th GGF’s
!024. 10th GGF’s
2048 11h GGF’s
4096 12th GGF’s
4192. 13th GGF’s
8384. 14th GGF’s
16,768. 15th GGF’s
33,536. 16th GGF’s
etc.
So when…
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