Jan van Koningsveld
type: Person
description: German mental calculator
birth date: 1969-01-01
birth place: Emden
nationality: Germany
additional property: PropertyValue
  property ID: P18
  value: Jan Van Koningsveld.JPG
additional property: PropertyValue
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additional property: PropertyValue
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additional property: PropertyValue
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  value: Germany
additional property: PropertyValue
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additional property: PropertyValue
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additional property: PropertyValue
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additional property: PropertyValue
  property ID: P569
  value: January 1, 1969
additional property: PropertyValue
  property ID: P646
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additional property: PropertyValue
  property ID: P735
  value: Jan
additional property: PropertyValue
  property ID: P1412
  value: German
additional property: PropertyValue
  property ID: P10832
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confidence:
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    tier: long_tail
    components:
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      sitelinks norm: 0.0
      unique citations: 1
      unique citations norm: 0.0
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      monthly pageviews norm: 0.0
  sitelinks: 0
  unique citations: 1
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  yearly pageviews: 22
  pageview trend:
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    v: 11
  pageview trend:
    m: 2026-05
    v: 6
  pageview trend:
    m: 2026-05
    v: 3
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
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    v: 1
  tier: long_tail
claims:
  P18:
    value: Jan Van Koningsveld.JPG
    source count: 0
    confidence: 0.0
    qualifiers:
      P585: +2012-11-24T00:00:00Z
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    confidence: 0.2
    value label: Emden
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    value label: male
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    value label: Germany
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    value label: human
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  P227:
    value: 1050720687
    source count: 1
    confidence: 0.2
  P569:
    value: +1969-01-01T00:00:00Z
    source count: 1
    confidence: 0.2
  P646:
    value: /m/043k1_4
    source count: 0
    confidence: 0.0
  P735:
    value: Q12173670
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    confidence: 0.2
    value label: Jan
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    confidence: 0.0
    value label: German
  P10832:
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    source count: 1
    confidence: 0.2
citations:
  source: Integrated Authority File
  stated in qid: Q36578
  retrieved: 2014-12-11
meta:
  wikidata id: Q104149
  domain: human
  level: standard
  html url: https://4ort.xyz/entity/jan-van-koningsveld
  markdown url: https://4ort.xyz/entity/jan-van-koningsveld.md
  facts url summary: https://4ort.xyz/entity/jan-van-koningsveld/facts.json
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  facts url full: https://4ort.xyz/entity/jan-van-koningsveld/facts.json
  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-24T18:46:44.370257Z
  entity updated at: 2026-05-03T16:20:22.557058+00:00Z
  entity created at: 2026-05-03T14:07:42.263900+00:00Z