Jacob Leonhard Kupffer
type: Person
birth date: 1747-01-01
death date: 1812-01-01
parent: Heinrich Jacob Kupffer
spouse: Maria Constantia Kupffer
children: Adolph Theodor Kupffer
children: Karl Heinrich Kupffer
children: Ludwig Gotthard Kupffer
children: Jakob Wilhelm Kupffer
children: Alfred Robert Kupffer
has occupation: merchant
additional property: PropertyValue
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  value: male
additional property: PropertyValue
  property ID: P22
  value: Heinrich Jacob Kupffer
additional property: PropertyValue
  property ID: P26
  value: Maria Constantia Kupffer
additional property: PropertyValue
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additional property: PropertyValue
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  value: Adolph Theodor Kupffer
additional property: PropertyValue
  property ID: P40
  value: Karl Heinrich Kupffer
additional property: PropertyValue
  property ID: P40
  value: Ludwig Gotthard Kupffer
additional property: PropertyValue
  property ID: P106
  value: merchant
additional property: PropertyValue
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additional property: PropertyValue
  property ID: P227
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additional property: PropertyValue
  property ID: P569
  value: January 1, 1747
additional property: PropertyValue
  property ID: P570
  value: January 1, 1812
additional property: PropertyValue
  property ID: P735
  value: Jacob
additional property: PropertyValue
  property ID: P7902
  value: 1193962811
confidence:
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    tier: long_tail
    components:
      sitelinks: 0
      sitelinks norm: 0.0
      unique citations: 2
      unique citations norm: 0.001
      monthly pageviews: 0
      monthly pageviews norm: 0.0
  sitelinks: 0
  unique citations: 2
  monthly pageviews: 0
  yearly pageviews: 0
  tier: long_tail
claims:
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    value label: male
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    value label: Heinrich Jacob Kupffer
  P26:
    value: Q128164027
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    value label: Maria Constantia Kupffer
  P31:
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    value label: human
  P40:
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    value label: Adolph Theodor Kupffer
  P40:
    value: Q4247624
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    value label: Karl Heinrich Kupffer
  P40:
    value: Q54507083
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    value label: Ludwig Gotthard Kupffer
  P40:
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    value label: Jakob Wilhelm Kupffer
  P40:
    value: Q126906325
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    value label: Alfred Robert Kupffer
  P106:
    value: Q215536
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    confidence: 0.2
    value label: merchant
  P214:
    value: 799156762889141300009
    source count: 0
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  P227:
    value: 1193962811
    source count: 0
    confidence: 0.0
  P569:
    value: +1747-01-01T00:00:00Z
    source count: 1
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  P570:
    value: +1812-01-01T00:00:00Z
    source count: 1
    confidence: 0.2
  P735:
    value: Q25999604
    source count: 0
    confidence: 0.0
    value label: Jacob
  P7902:
    value: 1193962811
    source count: 0
    confidence: 0.0
citations:
  source: Catalog of the German National Library
  stated in qid: Q23833686
  retrieved: 2021-07-17
citations:
  source: Baltisches biografisches Lexikon digital
  stated in qid: Q18616550
  retrieved: 2017-10-09
meta:
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  domain: human
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  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-17T03:28:22.154157Z
  entity updated at: 2026-05-03T16:20:22.557058+00:00Z
  entity created at: 2026-05-03T14:45:07.575679+00:00Z