Portrait of Willem Backer (1656-1731)
type: Thing
description: painting by Willem van toegeschreven aan aan Mieris
additional property: PropertyValue
  property ID: P18
  value: SB 4140-Willem Backer (1656-1731).jpg
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  property ID: P31
  value: painting
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  property ID: P127
  value: Cornelis H. Backer
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  value: portrait
additional property: PropertyValue
  property ID: P170
  value: Willem van Mieris
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  value: Willem Cornelisz Backer
additional property: PropertyValue
  property ID: P186
  value: oil paint
additional property: PropertyValue
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  value: panel
additional property: PropertyValue
  property ID: P195
  value: Amsterdam Museum
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  property ID: P217
  value: SB 4140
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  property ID: P571
  value: January 1, 1688
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  property ID: P1184
  value: 11259/collection.39497
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  property ID: P1476
  value: Willem Backer (1656-1731)
additional property: PropertyValue
  property ID: P1639
  value: Portrait of Madalena de la Court (1662-1712)
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  value: +13
additional property: PropertyValue
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additional property: PropertyValue
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  value: public domain
additional property: PropertyValue
  property ID: P8922
  value: 39497
additional property: PropertyValue
  property ID: P13172
  value: amsterdam-museum/SB-4140
confidence:
  popularity graph score:
    score: 0.001
    score pct: 0
    tier: long_tail
    components:
      sitelinks: 0
      sitelinks norm: 0.0
      unique citations: 4
      unique citations norm: 0.002
      monthly pageviews: 0
      monthly pageviews norm: 0.0
  sitelinks: 0
  unique citations: 4
  monthly pageviews: 0
  yearly pageviews: 0
  tier: long_tail
claims:
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    value label: Cornelis H. Backer
    qualifiers:
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    value: Q134307
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    value label: portrait
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    value label: Willem van Mieris
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    value label: Willem Cornelisz Backer
  P186:
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    value label: oil paint
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  P571:
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    value label: Willem Cornelisz Backer
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  P1257:
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value: Willem Backer (1656-1731)
source count: 1
confidence: 0.2

value: Q17781836
source count: 0
confidence: 0.0
value label: Portrait of Madalena de la Court (1662-1712)

value:
  unit: http://www.wikidata.org/entity/Q174728
  amount: +13
source count: 1
confidence: 0.2

value:
  unit: http://www.wikidata.org/entity/Q174728
  amount: +9.2
source count: 1
confidence: 0.2

value: Q19652
source count: 0
confidence: 0.0
value label: public domain

value: 39497
source count: 0
confidence: 0.0

value: amsterdam-museum/SB-4140
source count: 0
confidence: 0.0

source: RKDimages
stated in qid: Q17299580
retrieved: 2022-07-23

source: Amsterdam Museum online collection
stated in qid: Q131746942

wikidata id: Q17781834
domain: painting
level: standard
html url: https://4ort.xyz/entity/portrait-of-willem-backer-1656-1731--q17781834
markdown url: https://4ort.xyz/entity/portrait-of-willem-backer-1656-1731--q17781834.md
facts url summary: https://4ort.xyz/entity/portrait-of-willem-backer-1656-1731--q17781834/facts.json
facts url standard: https://4ort.xyz/entity/portrait-of-willem-backer-1656-1731--q17781834/facts.json
facts url full: https://4ort.xyz/entity/portrait-of-willem-backer-1656-1731--q17781834/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-13T06:46:47.237155Z
entity updated at: 2026-05-03T18:28:36.114423+00:00Z
entity created at: 2026-05-03T14:24:21.748667+00:00Z