To be alive today, we each come from 2,048 ninth-great-grandparents, 1,024 eighth-great-grandparents, 512 seventh-great-grandparents, 256 sixth-great-grandparents, 128 fifth-great-grandparents, 64 fourth-great-grandparents, 32 third-great-grandparents, 16 second-great-grandparents, 8 great-grandparents, 4 grandparents, and 2 parents. There are thousands of people in each of our family lineages, and their emotional experiences leave a mark on us.
