Johannes Koptjes
type: PersonReconstruction
type: Person
qualified derivation: https://www.goudatijdmachine.nl/id/reconstructie-66b6c97c-5c96-4411-a98b-fa654c467b60#d-2698441
was generated by: https://www.goudatijdmachine.nl/id/reconstructie/run/2026-08-09
gender: Male
has name: name