# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/ferdynand-gruning
# Generated: 2026-08-12T17:43:38.017Z

schema: https://schema.org/Person
url: "https://fame.am/person/ferdynand-gruning"
name: "Ferdynand Grüning"
slug: "ferdynand-gruning"
description: "Ferdynand Grüning or Ferdynand Grining, known as the Łódź Vampire, was a Polish serial killer and child rapist who killed three children across Poland from 1926 to 1938 during the interwar period. He was sentenced to death for his crimes, but due to the outbreak of the Second World War shortly after, it is unknown if this sentence was carried out."
tagline: "Polish serial killer and rapist"
gender: "male"
birthDate: "1886"
deathDate: "1939-08-16"
livingStatus: "DECEASED"
scores:
  popularity:           43.34
  momentum:             0.1648351648351648
  historical:           6.361341333333334
  currentAttention:     0
  sourceConfidence:     39.99999999999999
  profileCompleteness:  25
  trendDirection:       "STABLE"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://uk.wikipedia.org/wiki/%D0%A4%D0%B5%D1%80%D0%B4%D0%B8%D0%BD%D0%B0%D0%BD%D0%B4_%D0%93%D1%80%D1%8E%D0%BD%D1%96%D0%BD%D0%B3"
    title: "Фердинанд Грюнінг"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%81%D9%8A%D8%B1%D8%AF%D9%8A%D9%86%D8%A7%D9%86%D8%AF_%D8%AC%D8%B1%D9%8A%D9%86%D9%86%D8%AC"
    title: "فيرديناند جريننج"
    type:  "WIKIPEDIA"
  - url: "https://cs.wikipedia.org/wiki/Ferdynand_Gr%C3%BCning"
    title: "Ferdynand Grüning"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Ferdynand_Gr%C3%BCning"
    title: "Ferdynand Grüning"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Ferdynand_Gr%C3%BCning"
    title: "Ferdynand Grüning"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Ferdynand_Gr%C3%BCning"
    title: "Ferdynand Grüning"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%93%D1%80%D1%8E%D0%BD%D0%B8%D0%BD%D0%B3%2C_%D0%A4%D0%B5%D1%80%D0%B4%D0%B8%D0%BD%D0%B0%D0%BD%D0%B4"
    title: "Грюнинг, Фердинанд"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q110612429"
    title: "Wikidata"
    type:  "WIKIDATA"

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