Bertha Frensel Wegener
type: Person
alternate name: Bertha Frensel Wegener-Koopman
alternate name: Bertha Koopman
description: Dutch composer and music educator (1874-1953)
birth date: 1874-09-27
death date: 1953-07-17
birth place: Bloemendaal
death place: Amsterdam
nationality: Kingdom of the Netherlands
children: Emmy Wegener
alumni of: Conservatorium van Amsterdam
has occupation: composer
has occupation: singer
has occupation: music educator
additional property: PropertyValue
  property ID: P18
  value: Onze Musici (1911) - Bertha Frensel Wegener.jpg
additional property: PropertyValue
  property ID: P19
  value: Bloemendaal
additional property: PropertyValue
  property ID: P20
  value: Amsterdam
additional property: PropertyValue
  property ID: P21
  value: female
additional property: PropertyValue
  property ID: P27
  value: Kingdom of the Netherlands
additional property: PropertyValue
  property ID: P31
  value: human
additional property: PropertyValue
  property ID: P40
  value: Emmy Wegener
additional property: PropertyValue
  property ID: P69
  value: Conservatorium van Amsterdam
additional property: PropertyValue
  property ID: P106
  value: composer
additional property: PropertyValue
  property ID: P106
  value: singer
additional property: PropertyValue
  property ID: P106
  value: music educator
additional property: PropertyValue
  property ID: P213
  value: 0000000016878847
additional property: PropertyValue
  property ID: P214
  value: 55211201
additional property: PropertyValue
  property ID: P227
  value: 128880619
additional property: PropertyValue
  property ID: P244
  value: n00114769
additional property: PropertyValue
  property ID: P373
  value: Bertha Frensel Wegener
additional property: PropertyValue
  property ID: P434
additional property: PropertyValue
  property ID: P569
  value: September 27, 1874
additional property: PropertyValue
  property ID: P569
  value: 1874
additional property: PropertyValue
  property ID: P570
  value: July 17, 1953
additional property: PropertyValue
  property ID: P646
  value: /m/0dgpf4b
additional property: PropertyValue
  property ID: P734
  value: Wegener
additional property: PropertyValue
  property ID: P734
  value: Koopman
additional property: PropertyValue
  property ID: P735
  value: Bertha
additional property: PropertyValue
  property ID: P1006
  value: 117634859
additional property: PropertyValue
  property ID: P1066
  value: Sarah Bosmans-Benedicts
additional property: PropertyValue
  property ID: P1066
  value: Bernard Zweers
additional property: PropertyValue
  property ID: P1303
  value: piano
additional property: PropertyValue
  property ID: P1303
  value: voice
additional property: PropertyValue
  property ID: P1343
  value: Onze Musici (1911)
confidence:
  popularity graph score:
    score: 0.006
    score pct: 1
    tier: established
    components:
      sitelinks: 6
      sitelinks norm: 0.014
      unique citations: 11
      unique citations norm: 0.004
      monthly pageviews: 8
      monthly pageviews norm: 0.0
  sitelinks: 6
  unique citations: 11
  monthly pageviews: 8
  yearly pageviews: 24
  pageview trend:
    m: 2026-08
    v: 8
  pageview trend:
    m: 2026-07
    v: 5
  pageview trend:
    m: 2026-06
    v: 6
  pageview trend:
    m: 2026-05
    v: 2
  pageview trend:
    m: 2026-04
    v: 2
  pageview trend:
    m: 2026-04
    v: 1
  popularity:
    sitelinks: 6
    max: 423
    pct: 1.4
  tier: established
claims:
  P18:
    value: Onze Musici (1911) - Bertha Frensel Wegener.jpg
    source count: 1
    confidence: 0.2
    qualifiers:
      P585: +1911-00-00T00:00:00Z
  P19:
    value: Q9908
    source count: 3
    confidence: 0.6
    value label: Bloemendaal
  P20:
    value: Q727
    source count: 2
    confidence: 0.4
    value label: Amsterdam
  P21:
    value: Q6581072
    source count: 1
    confidence: 0.2
    value label: female
  P27:
    value: Q29999
    source count: 1
    confidence: 0.2
    value label: Kingdom of the Netherlands
  P31:
    value: Q5
    source count: 1
    confidence: 0.2
    value label: human
  P40:
    value: Q5373624
    source count: 2
    confidence: 0.4
    value label: Emmy Wegener
  P69:
    value: Q1127380
    source count: 1
    confidence: 0.2
    value label: Conservatorium van Amsterdam
  P106:
    value: Q36834
    source count: 1
    confidence: 0.2
    value label: composer
  P106:
    value: Q177220
    source count: 1
    confidence: 0.2
    value label: singer
  P106:
    value: Q16145150
    source count: 1
    confidence: 0.2
    value label: music educator
  P213:
    value: 0000000016878847
    source count: 0
    confidence: 0.0

value: 55211201
source count: 2
confidence: 0.4

value: 128880619
source count: 1
confidence: 0.2

value: n00114769
source count: 0
confidence: 0.0

value: Bertha Frensel Wegener
source count: 0
confidence: 0.0

source count: 1
confidence: 0.2

value: +1874-09-27T00:00:00Z
source count: 4
confidence: 0.8

value: +1874-00-00T00:00:00Z
source count: 1
confidence: 0.2

value: +1953-07-17T00:00:00Z
source count: 6
confidence: 1.0

value: /m/0dgpf4b
source count: 0
confidence: 0.0

value: Q20812536
source count: 1
confidence: 0.2
value label: Wegener

value: Q13745232
source count: 0
confidence: 0.0
value label: Koopman

value: Q16420820
source count: 2
confidence: 0.4
value label: Bertha

value: 117634859
source count: 1
confidence: 0.2

value: Q4095011
source count: 1
confidence: 0.2
value label: Sarah Bosmans-Benedicts

value: Q477224
source count: 1
confidence: 0.2
value label: Bernard Zweers

value: Q5994
source count: 1
confidence: 0.2
value label: piano

value: Q17172850
source count: 1
confidence: 0.2
value label: voice

value: Q71545438
source count: 1
confidence: 0.2
value label: Onze Musici (1911)

value: Q104582322
source count: 0
confidence: 0.0
value label: Onze Musici (1923)

value: Q30532476
source count: 0
confidence: 0.0
value label: Grove Music Online

value: 2466710
source count: 0
confidence: 0.0

value: Q60687720
source count: 0
confidence: 0.0
value label: gender gap on Dutch Wikipedia
qualifiers:
  P585: +2024-02-17T00:00:00Z

value: M00000268438
source count: 0
confidence: 0.0

value: 10325
source count: 0
confidence: 0.0

value: 485168
source count: 0
confidence: 0.0

value: agent/base/37978
source count: 1
confidence: 0.2

value: Q71887839
source count: 1
confidence: 0.2
value label: copyrights on works have expired

value: 6138
source count: 0
confidence: 0.0

value: 49740
source count: 0
confidence: 0.0

value: E39PBJbRpJdGF77cvrcrgCwHmd
source count: 1
confidence: 0.2

retrieved: 2023-02-10

source: Grove Music Online
stated in qid: Q30532476
retrieved: 2020-11-18

source: MusicBrainz
stated in qid: Q14005
retrieved: 2021-09-06

source: FemBio database
stated in qid: Q61356138
retrieved: 2017-10-09

source: Muziekweb
stated in qid: Q18088607
retrieved: 2017-10-09

source: Virtual International Authority File
stated in qid: Q54919
retrieved: 2014-12-16

source: Onze Musici (1911)
stated in qid: Q71545438

source: International Encyclopedia of Women Composers
stated in qid: Q60765387

source: Musicalics
stated in qid: Q63484499

source: Onze Musici (1923)
stated in qid: Q104582322

source: The LiederNet Archive
stated in qid: Q16169166

wikidata id: Q1849301
domain: human
level: standard
html url: https://4ort.xyz/entity/bertha-frensel-wegener
markdown url: https://4ort.xyz/entity/bertha-frensel-wegener.md
facts url summary: https://4ort.xyz/entity/bertha-frensel-wegener/facts.json
facts url standard: https://4ort.xyz/entity/bertha-frensel-wegener/facts.json
facts url full: https://4ort.xyz/entity/bertha-frensel-wegener/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-28T23:16:56.600987Z
entity updated at: 2026-04-10T23:35:51.783274+00:00Z
entity created at: 2026-04-10T23:35:51.783274+00:00Z