The genealogy program Family Historian includes a useful “plugin” that enables the direct import of person and relationship data into a new database.
The main Family Historian product (which I personally recommend) can be obtained here, including a free trial (although plugins do not work with the free trial).
The imported CSV is not limited to specific fields as nearly all standard Gedcom tags and source citations are supported.
If you use Family Historian this is probably the easiest and most comprehensive method to import your data from a spreadsheet into a Gedcom file.
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