This document provides the semantic definition for the GEDCOM X Fact data type for use in structured data (e.g. RDFa, Microdata, JSON-LD, etc.). This data type is specified by the GEDCOM X Conceptual Model.

This data type extends the data type.


A conclusion about a fact applicable to a person or relationship.


property expected type description
Properties from Fact
type FactType The type of the fact.
date Date The date of applicability of this fact.
place PlaceReference The place of applicability of this fact.
value string The value as supplied by the user.
Properties from Conclusion
confidence ConfidenceLevel The level of confidence the contributor has about the data.
attribution Attribution Attribution metadata for a conclusion.
source SourceReference The source references for a conclusion.
note Note Notes about a person.