This category includes the following rules that match people based on their mutual relationship:
This rule matches all ancestors of both people back to their common ancestors (if exist). This produces the "relationship path" between these two people, through their common ancestors.
You can either enter the ID of each person into the appropriate text entry fields, or select people from the list by clicking theirbuttons. In the latter case, the ID will appear in the text field after the selection was made.