This visualization harnesses the "Organization Chart" function from Google Charts. It shows a 3- to 6-generation tree (3 in the example) in the form of an org chart:

Tooltips provide some additional information: the ahntentafel number and dates.

This Google chart has limited flexibility. Users have asked if it can be reversed vertically; it cannot.

Printing options: The only output is to print from your browser. See tips for saving or printing.