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Please use carefully on data that is backed up, and help make it better by reporting any comments or problems to the author, or issues to the bug tracker
Unless otherwise stated on this page, you can download this plugin by following these instructions.
Please note that some Addons have prerequisites that need to be installed before they can be used.
This Addon/Plugin system is controlled by the Plugin Manager

Relations identifiants

This addon is a simple interface for gramps' Relationship Calculator. It just sets a relation ID for mapping relations.

An additionnal period entry (if exists) is linked to individuals as information. Sorting function is available on all columns.


Select Tools > Analysis and Exploration > Display relations and distances with the home person... from the menu.


Run via CLI and debug statements:

$ python3 -O 'example' -a tool -p name=relationtab -d "relation_tab"


  • relationships_identifiers are set on module
  • ancestors numbering is based on sosa/kekule model
  • descendants numbering is based on matrilineality kinship
  • most recent ancestors are most recent mothers

Save and export

The tool can export the content after calculations via file generation to OpenDocument Spreadsheet (.ods) format.


RelID is an experimental analysis et exploration tool. This addon is not available on addons listing.


  • On this addon, iteration with sqlite 3.8.2 database backend seems at least 30 % slower than iteration wih bsddb 6.0.1.
  • Average of maximum O.O1 second per person for 5 levels (generations) on modern CPUs.
Deep generations

Try to limit deep search (generations set on Preferences) for large table of people.

To check

  • step descendants may have a mistake on most recent mother number if they are direct descendants of the father.

To do

  • fix modal window
  • Use gramps.plugins.lib.librecurse module or advanced lib like pypedal

Genesis and history

  • 4169: To generate numbering class
  • 7955: Show Kekule numbering in different views