Tag Archives for " charts "

Decoding Ahnentafels Using Binary Numbers

April 17, 2015
/ genealogy Other
/ By tom

In the last post, about reading ahnentafels, I showed how to determine relationships by repeatedly dividing by two. Since 2 is the basis of the binary numbering system, we can use binary numbers to simplify the relationship calculation. It offers more flexibility than just repeated dividing. Here is the same partial ahnentafel that was used […]

Reading Ahnentafels

April 13, 2015
/ genealogy Other
/ By tom

An ahnentafel (German for “ancestor table”) is a compact way to display a persons direct line ancestor within a plain text format. Since there is no need for charts for software code, it is a helpful way to share ancestry information in emails or in a forum. With the ability to add attachments to emails, […]