Ancestor table

An ancestor table (from German language ahnentafel) is a family tree where people are shown in a numbered list instead of a tree. This system makes it easy to follow a person's family history across many generations.

In the table, a person is listed as number 1, the father is 2, the mother is 3. Then, the grandparents can be added:

This can continue even farther, including the great-grandparents: