Missing relation field

[paolobenve]

Checklist

• [X] I made sure that there are no existing issues - open or closed - to which I could contribute my information.
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• [X] I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• [X] This issue contains only one feature request.
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Feature description

Google contacts has a field relation, which accepts the name of a person and the relation with the contact. E.g.: Francis, husband.

I think it's quite important, and permits to distinguish persons with the same name.

The alternative is to put the relation in the notes

Why do you want this feature?

Because I want to get rid and migrate from google contacts, and I have many contacts with the relation data in this field.

Besides that, a specific field is better that a generic one like the notes.

Additional information

No response

[wdbm]

I confirm that this is an issue for importing from Nextcloud contacts too.