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How to describe single parent-child relationships #90

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As recommended in FamilySearch/GEDCOM#334

@tychonievich tychonievich marked this pull request as ready for review August 17, 2023 19:01
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Parent-child relationships are stored in the `INDI`.`FAMC` structure, which must point to a `FAM` not an `INDI`.
Additional details about that relationship are stored in its `PEDI` substructure.
To describe the relationship of an `INDI` to just one parent, make a `FAM` that has only one partner.
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Add that there is risk of misinterpretation, with recommendation the second FAM should not be assumed to mean another MARR.
Add that this may not be suited to SOUR a single parent-child relationship within an existing FAM, only for indicating historical facts about single parent-child relationsip

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Also recommend against duplicating relationships with the same partners

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I'm not sure I understand:

Add that there is risk of misinterpretation, with recommendation the second FAM should not be assumed to mean another MARR.

Every addition of a FAM record indicates a new relationship between two adults, even if only one adult is known. It does not (should not) assume that a marriage occurred. People (MM, FF or MF) living together can form a "family" as can two estranged individuals. All of these combinations can produce children either biologically, via adoption, fostering, or sealing. The sex or gender of the adult participants in the FAM can only be determined by accessing the actual record for that individual (INDI) via the WIFE/HUSB links, which contains all other information needed to determine the current gender of the individual AND more importantly the preferred name and any restrictions for displaying (privacy) of data such as birth, death via the event restriction tag. Programs that don't follow these protocols are at risk of violating date security constrains.

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Every addition of a FAM record indicates a new relationship between two adults, even if only one adult is known.

I agree with that, and don't think we should recommend creating a new FAM structure just to hold details about the relationship to one of the two parents in another FAM structure.

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Norwegian-Sardines wrote: "Every addition of a FAM record indicates a new relationship between two adults, even if only one adult is known."
I disagree. There are situations, where an adult and one or more children form a relation. I.e. a child living with an unmarried aunt (or uncle, or anybody else), caring for the child. This will be a FAM record with a WIFE (or HUSB) and a CHILD. There is no other adult in this relationship.

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dthaler commented May 30, 2024

Approved during GEDCOM Steering Committee meeting. Any other discussion will be handled under another issue.

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4 participants