Hyhenated names with two prefixes

[fisharebest]

In a hyphenated name, both parts may have a prefix - these may be different. e.g. van der Sluijs-van Harten.

[Norwegian-Sardines]

Edited to clarify a few points.

Under the rules of "understanding" for v5.5.1 anything bounded by the "/" in the NAME tag is considered a surname. The SURN tag is optional, and along with other NAME.subtag are used by some applications to rebuild or produce the name name field in their databases, while other applications use the NAME.subtag to index the name part.

With this in mind a rule for NAME must be explicitly established that the NAME.subtags are only used for indexing NOT building a name field/column or name part field/column in the database for the purpose of display.

Also the term "Index" must be defined! I personally define the term to include 1) Sorting, 2) Organizing.

Several Problems occur with this understanding"
1 NAME John /van Harten/
2 GIVN John
2 SPFX van
2 SURN Harten

Here Sorting surnames like "van Harten" where "van" is part of the surname but the sort is on "Harten". We would normally put in the SURN tag "Harten" to sort the individual together with others of the same surname but use "van Harten" as the display.

This get complicated when we have an individual with the following:
1 NAME Jake /Harten/
2 GIVN Jake
2 SURN Harten

Two different surnames (Harten, van Harten) would get sorted together, probably counted together, but potentially need to be organized separately.

This get complicated additionally with the inclusion of a hyphenated surname. Different cultures and preferences can influence the way they are sorted and organized.
1 NAME John /Harten-Sluijs/
2 GIVN John
2 SURN Harten-Sluijs

In some cultures (country laws) a hyphenated surname legally creates a new surname and sorted as one name, while other cultures the value is seen more as two different surnames combined, (possibly like the Hispanic/Portuguese tradition). These two separate surnames can be Sorted by removing the hyphen in the SURN tag (Harten, Sluijs). The question here is, "What is used in display when you organize the two sorted surnames, in contrast to one surname with the hyphen included"

The issue brought forward above complicates even more the Display, Sort, Organize issues.

1 NAME Isabell /van der Sluijs-van Harten/

Culturally (world wide. not just in Netherlands):

1. Is the surname a) "van der Sluijs-van Harten" (one surname), b) van der Sluijs, van Harten (two surnames)
2. Is the Sort based on a) the full hyphenated name (starting with "v"), b) surname root (Sluijs, Harten)
3. Is the Organization of surnames include all Harten or Sluijs SURN together regardless of a prefix of "van" "van der" or none?
4. Based on organization, what value is displayed? a) "van der Sluijs-van Harten", b) surname root (Sluijs, Harten) c) "van Harten" and "Harten" (separate)?