How to read the four-generation genealogical charts

The following diagram indicates the structure of each of the four-generation genealogical charts included in these files. The arithmetical expression between square brackets ("[...]") indicates the relationship of the ahnentafel number of an ancestor to X, the ahnentafel number of the person at the root of the chart.

[8X] Father's Father's Father

[4X] Father's Father

[8X+1] Father's Father's Mother

[2X] Father

[8X+2] Father's Mother's Father

[4X+1] Father's Mother

[8X+3] Father's Mother's Mother

[X] Root of chart

[8X+4] Mother's Father's Father

[4X+2] Mother's Father

[8X+5] Mother's Father's Mother

[2X+1] Mother

[8X+6] Mother's Mother's Father

[4X+3] Mother's Mother

[8X+7] Mother's Mother's Mother