This is a tree representation of the GEDCOM 5.5.1 grammar. Filled circles can be clicked to show the sub-tags.
The data (eg. list of valid tag-sequences) is available for download in JSON and CSV format under a CC-BY license.
A tag tree of the the GEDCOM 5.5 grammar is also available. Go to the GEDCOM tag usage version of the tree to see actual (mis)use of GEDCOM tags by family tree programs.
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Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.