How to designate a sister with her husband in a student part?
Even registered as the same family, the program does not allow as helper the spouse.
The info is in the S-38. What you want is only possible for the first call, not for return visits or Bible studies. That restriction has been inplemented in TB as well.
For accessing the database my personal preference is http://sqlitebrowser.org/
For editing templates I now use https://code.visualstudio.com/