# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/helmut-rellergerd
# Generated: 2026-08-13T11:47:07.702Z

schema: https://schema.org/Person
url: "https://fame.am/person/helmut-rellergerd"
name: "Helmut Rellergerd"
slug: "helmut-rellergerd"
description: "Helmut Rellergerd, known by the pen name Jason Dark, is a prolific author of horror detective fiction in the German language. He is known for creating the long-running dime novel series Geisterjäger John Sinclair, which has been ongoing since 1973 and is released weekly since 1978. As of 2020, the John Sinclair series sold more than 250 million novel copies and over 5 million audio drama units."
tagline: "German writer"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Helmut_Rellergerd.jpg?width=1200"
gender: "male"
country:
  name: "Germany"
  isoCode: "DE"
category:
  name: "Writers"
  slug: "writers"
profileType:
  name: "Writer / Author"
  slug: "writer"
birthDate: "1945-01-25"
livingStatus: "LIVING"
scores:
  popularity:           43.99
  momentum:             0.5207226354941551
  historical:           5.768973333333334
  currentAttention:     0
  sourceConfidence:     44.99999999999999
  profileCompleteness:  75
  trendDirection:       "STABLE"
ranks:
  global:   null
  country:  null
  category: null
platforms:
  - platform:  "IMDB"
    url:       "https://www.imdb.com/name/nm13109888/"
    handle:    "nm13109888"
sources:
  - url: "https://ro.wikipedia.org/wiki/Helmut_Rellergerd"
    title: "Helmut Rellergerd"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%87%D9%8A%D9%84%D9%85%D9%88%D8%AA_%D8%B1%D9%8A%D9%84%D9%8A%D8%B1%D8%AC%D9%8A%D8%B1%D8%AF"
    title: "هيلموت ريليرجيرد"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Helmut_Rellergerd"
    title: "Helmut Rellergerd"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Helmut_Rellergerd"
    title: "Helmut Rellergerd"
    type:  "WIKIPEDIA"
  - url: "https://eo.wikipedia.org/wiki/Helmut_Rellergerd"
    title: "Helmut Rellergerd"
    type:  "WIKIPEDIA"
  - url: "https://fi.wikipedia.org/wiki/Helmut_Rellergerd"
    title: "Helmut Rellergerd"
    type:  "WIKIPEDIA"
  - url: "https://ku.wikipedia.org/wiki/Helmut_Rellergerd"
    title: "Helmut Rellergerd"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q1604049"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump