GEDCOM Extensions

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"GEDCOM Extensions (GED2)" option selected in Export_Assistant (Gramps 4.1.3, Ubuntu 14.04.2)

This Addon (available for Gramps 4.0 and higher) has a collection of unofficial GEDCOM extensions which extend Gramps GedcomWriter to include common non-compliant GEDCOM additions. If the feature you want is not listed below, then you can either add it yourself, or ask a developer to help you.

Export GEDCOM Extensions

The following GEDCOM Extensions are supported:

  • Exports witnesses associated with a family event


To run the exporter, select Family Trees > Export.., press Next, select "GEDCOM Extensions (GED2)". Select the relevant options, and the data should be exported to a file with the extension ".ged2".

Afterwards, you can change the extension from ".ged2" to ".ged" and treat as a normal GEDCOM file.


There is no associated .ged2 importer in Gramps, so the export is one-way only (out of Gramps). It should be possible for someone to also write an associated GEDCOM importer to handle the extensions to bring them into Gramps as well.

Import GEDCOM Extensions

There are no import extensions currently supported.

See also

The code is available from addons-source/blob/master/GedcomExtensions/

Current open Feature request for Gramps
  • 8094 GedcomExtension to export family event secondary participant if role in CELEBRANT, INFORMANT, CLERGY, AIDE, CUSTOM
  • 8093 Wrong level for witnesses in GedcomExtension, and export
  • 6023 Export Family Historian GEDCOM Extensions
  • 688 Support for Gedcom 5.5EL (or Gedcom-L the more recent standard)
  • 7965 Gedcom Extensions export raises error

Collection of GEDCOM extension tags used in different programs

Others projects

  • GEDCOM ( is a project for parsing objects ignored by a model. It includes classes and attributes for every GEDCOM tag sequence appearing in more than 4% of the 7000 GEDCOMs submitted to over the past five years, with the exception of four software-specific schema tags: SCHEMA, _EVENT_DEFN, _PLAC_DEFN, and _EVDEF, generated by Family Tree Maker, Personal Ancestral File, Legacy, and RootsMagic respectively.

See the demo[1]. GEDCOM -> model -> json -> model -> GEDCOM round-trip shows the GEDCOM tags that are represented in the model as extensions, and tags that cannot be represented.

    • differences between the object model and the GEDCOM 5.5 Specification.[2]
    • set of UML diagrams illustrating the core GEDCOM class and each of the top-level objects.[3]