Dorothy Bentinck, Duchess of Portland
type: Person
description: 18th-century English noblewoman
birth date: 1750-08-27
death date: 1794-06-03
death place: London
nationality: Kingdom of Great Britain
parent: William Cavendish, 4th Duke of Devonshire
parent: Charlotte Cavendish, Marchioness of Hartington
spouse: William Cavendish-Bentinck, 3rd Duke of Portland
children: Lord Charles Bentinck
children: William Bentinck, 4th Duke of Portland
children: Frederick Cavendish-Bentinck
children: Charlotte Cavendish-Bentinck
children: Lord William Bentinck
sibling: George Cavendish, 1st Earl of Burlington
sibling: William Cavendish, 5th Duke of Devonshire
additional property: PropertyValue
  property ID: P18
  value: Dorothy Cavendish, wife of William Cavendish Bentinck, 3rd Duke of Portland (1738-1809) by George Romney.jpg
additional property: PropertyValue
  property ID: P20
  value: London
additional property: PropertyValue
  property ID: P21
  value: female
additional property: PropertyValue
  property ID: P22
  value: William Cavendish, 4th Duke of Devonshire
additional property: PropertyValue
  property ID: P25
  value: Charlotte Cavendish, Marchioness of Hartington
additional property: PropertyValue
  property ID: P26
  value: William Cavendish-Bentinck, 3rd Duke of Portland
additional property: PropertyValue
  property ID: P27
  value: Kingdom of Great Britain
additional property: PropertyValue
  property ID: P31
  value: human
additional property: PropertyValue
  property ID: P39
  value: spouse of the prime minister of the United Kingdom
additional property: PropertyValue
  property ID: P40
  value: Lord Charles Bentinck
additional property: PropertyValue
  property ID: P40
  value: William Bentinck, 4th Duke of Portland
additional property: PropertyValue
  property ID: P40
  value: Frederick Cavendish-Bentinck
additional property: PropertyValue
  property ID: P97
  value: duchess
additional property: PropertyValue
  property ID: P119
  value: St Marylebone Parish Church, Marylebone
additional property: PropertyValue
  property ID: P214
  value: 6571152744540127850002
additional property: PropertyValue
  property ID: P373
  value: Dorothy Cavendish
additional property: PropertyValue
  property ID: P535
  value: 159636633
additional property: PropertyValue
  property ID: P569
  value: August 27, 1750
additional property: PropertyValue
  property ID: P570
  value: June 3, 1794
additional property: PropertyValue
  property ID: P646
  value: /m/010wj7c7
additional property: PropertyValue
  property ID: P734
  value: Cavendish
additional property: PropertyValue
  property ID: P735
  value: Dorothy
additional property: PropertyValue
  property ID: P1185
  value: 40873
additional property: PropertyValue
  property ID: P1299
  value: Portrait of Dorothy Cavendish (1750-1794)
additional property: PropertyValue
  property ID: P1412
  value: English
additional property: PropertyValue
  property ID: P1711
  value: 160437
additional property: PropertyValue
  property ID: P1816
  value: mp66804
additional property: PropertyValue
  property ID: P1819
  value: I00004222
additional property: PropertyValue
  property ID: P2600
  value: 6000000003634557662
additional property: PropertyValue
  property ID: P2949
  value: Cavendish-19
confidence:
  popularity graph score:
    score: 0.0
    score pct: 0
    tier: long_tail
    components:
      sitelinks: 0
      sitelinks norm: 0.0
      unique citations: 3
      unique citations norm: 0.001
      monthly pageviews: 436
      monthly pageviews norm: 0.0
  sitelinks: 0
  unique citations: 3
  monthly pageviews: 436
  yearly pageviews: 640
  pageview trend:
    m: 2026-07
    v: 436
  pageview trend:
    m: 2026-06
    v: 75
  pageview trend:
    m: 2026-05
    v: 129
  tier: long_tail
claims:
  P18:
    value: Dorothy Cavendish, wife of William Cavendish Bentinck, 3rd Duke of Portland (1738-1809) by George Romney.jpg
    source count: 0
    confidence: 0.0
  P20:
    value: Q84
    source count: 1
    confidence: 0.2
    value label: London
  P21:
    value: Q6581072
    source count: 0
    confidence: 0.0
    value label: female
  P22:
    value: Q238639
    source count: 1
    confidence: 0.2
    value label: William Cavendish, 4th Duke of Devonshire
  P25:
    value: Q3666720
    source count: 1
    confidence: 0.2
    value label: Charlotte Cavendish, Marchioness of Hartington
  P26:
    value: Q157208
    source count: 3
    confidence: 0.6
    value label: William Cavendish-Bentinck, 3rd Duke of Portland
    qualifiers:
      P580: +1766-11-08T00:00:00Z
  P27:
    value: Q161885
    source count: 1
    confidence: 0.2
    value label: Kingdom of Great Britain
  P31:
    value: Q5
    source count: 0
    confidence: 0.0
    value label: human
  P39:
    value: Q921439
    source count: 0
    confidence: 0.0
    value label: spouse of the prime minister of the United Kingdom
  P40:
    value: Q128343
    source count: 2
    confidence: 0.4
    value label: Lord Charles Bentinck
  P40:
    value: Q128336
    source count: 2
    confidence: 0.4
    value label: William Bentinck, 4th Duke of Portland
  P40:
    value: Q24254732
    source count: 1
    confidence: 0.2
    value label: Frederick Cavendish-Bentinck
  P40:
    value: Q75249070
    source count: 2
    confidence: 0.4
    value label: Charlotte Cavendish-Bentinck
  P40:
    value: Q138559
    source count: 2
    confidence: 0.4
    value label: Lord William Bentinck

value: Q4593319
source count: 0
confidence: 0.0
value label: duchess

value: Q211300
source count: 0
confidence: 0.0
value label: St Marylebone Parish Church, Marylebone

value: 6571152744540127850002
source count: 0
confidence: 0.0

value: Dorothy Cavendish
source count: 0
confidence: 0.0

value: 159636633
source count: 0
confidence: 0.0

value: +1750-08-27T00:00:00Z
source count: 2
confidence: 0.4

value: +1794-06-03T00:00:00Z
source count: 2
confidence: 0.4

value: /m/010wj7c7
source count: 0
confidence: 0.0

value: Q16865452
source count: 0
confidence: 0.0
value label: Cavendish

value: Q2647244
source count: 0
confidence: 0.0
value label: Dorothy

value: 40873
source count: 0
confidence: 0.0

value: Q122425510
source count: 0
confidence: 0.0
value label: Portrait of Dorothy Cavendish (1750-1794)

value: Q1860
source count: 0
confidence: 0.0
value label: English

value: 160437
source count: 0
confidence: 0.0

value: mp66804
source count: 0
confidence: 0.0

value: I00004222
source count: 0
confidence: 0.0

value: 6000000003634557662
source count: 0
confidence: 0.0

value: Cavendish-19
source count: 0
confidence: 0.0

value: F51925
source count: 0
confidence: 0.0

value: I1670
source count: 0
confidence: 0.0

value: 2395341
source count: 0
confidence: 0.0

value: Q337887
source count: 1
confidence: 0.2
value label: George Cavendish, 1st Earl of Burlington

value: Q335425
source count: 1
confidence: 0.2
value label: William Cavendish, 5th Duke of Devonshire

value: p289.htm#i2889
source count: 1
confidence: 0.2

value: 55197
source count: 0
confidence: 0.0

value: people/30096128
source count: 0
confidence: 0.0

value: Q101693
source count: 0
confidence: 0.0
value label: Ubiale Clanezzo

source: The Peerage
stated in qid: Q21401824

source: Genealogics
stated in qid: Q19847326

stated in qid: Q75653886

wikidata id: Q17308968
domain: human
level: standard
html url: https://4ort.xyz/entity/dorothy-bentinck-duchess-of-portland
markdown url: https://4ort.xyz/entity/dorothy-bentinck-duchess-of-portland.md
facts url summary: https://4ort.xyz/entity/dorothy-bentinck-duchess-of-portland/facts.json
facts url standard: https://4ort.xyz/entity/dorothy-bentinck-duchess-of-portland/facts.json
facts url full: https://4ort.xyz/entity/dorothy-bentinck-duchess-of-portland/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-02T18:53:06.772629Z
entity updated at: 2026-05-03T16:20:22.557058+00:00Z
entity created at: 2026-05-03T15:11:19.169031+00:00Z