]> Genealogy Test Ontology An ontology to test genealogy concepts. A birth event of a Person. birth event death A death event of a Person. 1 event A significant event in a person's life. person An individual human being. 1 1 A player of a Role in an Event. player A role that a Player may take during an Event. Not all Roles need to be enumerated when defining an Event, but it is generally better to define all those possible. role has major role Most, if not all, Events have a major role for which the Person Playing the Role must exist, whether or not the role is specified. has player Every Event should ideally have at least one Player. has primary role Most, if not all, Events have a primary role for whom the Event is a primary Event in their life (e.g. the child, rather than the parents, of a Birth event). An Event may have any number of Roles that may be played by Players. has role The Person who plays a Player. played by The Role a Player plays in an Event. plays role name Name of a Person. Every Event occurs on a date. on date The biological father of a child. birth father The biological mother of a child. birth mother child A child. The deceased individual. the deceased A person who observes, but does not actively participate in, an event. observer