Johanna Boer
type: Person
description: Dutch photographer (1884-1978)
birth date: 1884-05-22
death date: 1978-11-24
birth place: Rotterdam
nationality: Kingdom of the Netherlands
parent: Alida Jannetje Johanna Timmers
sibling: Adriaan Boer
works for: Adr. Boer
has occupation: photographer
additional property: PropertyValue
  property ID: P19
  value: Rotterdam
additional property: PropertyValue
  property ID: P21
  value: female
additional property: PropertyValue
  property ID: P25
  value: Alida Jannetje Johanna Timmers
additional property: PropertyValue
  property ID: P27
  value: Kingdom of the Netherlands
additional property: PropertyValue
  property ID: P31
  value: human
additional property: PropertyValue
  property ID: P106
  value: photographer
additional property: PropertyValue
  property ID: P108
  value: Adr. Boer
additional property: PropertyValue
  property ID: P361
  value: Adr. Boer
additional property: PropertyValue
  property ID: P569
  value: May 22, 1884
additional property: PropertyValue
  property ID: P570
  value: November 24, 1978
additional property: PropertyValue
  property ID: P650
  value: 461718
additional property: PropertyValue
  property ID: P734
  value: Boer
additional property: PropertyValue
  property ID: P735
  value: Johanna
additional property: PropertyValue
  property ID: P1327
  value: Alida Jannetje Johanna Timmers
additional property: PropertyValue
  property ID: P1343
  value: Photographers in the Netherlands
additional property: PropertyValue
  property ID: P3373
  value: Adriaan Boer
additional property: PropertyValue
  property ID: P5008
  value: gender gap on Dutch Wikipedia
additional property: PropertyValue
  property ID: P6379
  value: Stadsarchief Rotterdam
additional property: PropertyValue
  property ID: P6379
  value: Netherlands Open Air Museum
additional property: PropertyValue
  property ID: P7425
  value: 6021
additional property: PropertyValue
  property ID: P7763
  value: works protected by copyrights
confidence:
  popularity graph score:
    score: 0.0
    score pct: 0
    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:
  P19:
    value: Q34370
    source count: 1
    confidence: 0.2
    value label: Rotterdam
  P21:
    value: Q6581072
    source count: 1
    confidence: 0.2
    value label: female
  P25:
    value: Q60277078
    source count: 0
    confidence: 0.0
    value label: Alida Jannetje Johanna Timmers
  P27:
    value: Q29999
    source count: 0
    confidence: 0.0
    value label: Kingdom of the Netherlands
  P31:
    value: Q5
    source count: 0
    confidence: 0.0
    value label: human
  P106:
    value: Q33231
    source count: 1
    confidence: 0.2
    value label: photographer
  P108:
    value: Q107185798
    source count: 0
    confidence: 0.0
    value label: Adr. Boer
  P361:
    value: Q107185798
    source count: 0
    confidence: 0.0
    value label: Adr. Boer
  P569:
    value: +1884-05-22T00:00:00Z
    source count: 1
    confidence: 0.2
  P570:
    value: +1978-11-24T00:00:00Z
    source count: 1
    confidence: 0.2
  P650:
    value: 461718
    source count: 0
    confidence: 0.0
  P734:
    value: Q11216934
    source count: 0
    confidence: 0.0
    value label: Boer
  P735:
    value: Q4120836
    source count: 0
    confidence: 0.0
    value label: Johanna
  P1327:
    value: Q60277078
    source count: 0
    confidence: 0.0
    value label: Alida Jannetje Johanna Timmers
  P1343:
    value: Q15880691
    source count: 1
    confidence: 0.2
    value label: Photographers in the Netherlands
  P3373:
    value: Q10711733
    source count: 0
    confidence: 0.0
    value label: Adriaan Boer
  P5008:
    value: Q60687720
    source count: 0
    confidence: 0.0
    value label: gender gap on Dutch Wikipedia
    qualifiers:
      P585: +2024-02-17T00:00:00Z
  P6379:
    value: Q3912134
    source count: 2
    confidence: 0.4
    value label: Stadsarchief Rotterdam
  P6379:
    value: Q674449
    source count: 1
    confidence: 0.2
    value label: Netherlands Open Air Museum
  P7425:
    value: 6021
    source count: 1
    confidence: 0.2
  P7763:
    value: Q73555012
    source count: 0
    confidence: 0.0
    value label: works protected by copyrights
citations:
  retrieved: 2019-11-05
citations:
  source: RKDartists
  stated in qid: Q17299517
  retrieved: 2018-12-30

wikidata id: Q60239531
domain: human
level: standard
html url: https://4ort.xyz/entity/johanna-boer
markdown url: https://4ort.xyz/entity/johanna-boer.md
facts url summary: https://4ort.xyz/entity/johanna-boer/facts.json
facts url standard: https://4ort.xyz/entity/johanna-boer/facts.json
facts url full: https://4ort.xyz/entity/johanna-boer/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-02T18:44:10.782019Z
entity updated at: 2026-05-03T16:20:22.557058+00:00Z
entity created at: 2026-05-03T14:15:02.838132+00:00Z