William Montagu, 1st Earl of Salisbury
type: Person
alternate name: William de Montacute
alternate name: 3rd Baron Montagu, King of Mann
alternate name: William de Montagu, 1st Earl of Salisbury, 3rd Lord Montagu
alternate name: William Montagu
description: English nobleman
birth date: 1301-01-01
death date: 1344-01-30
birth place: Cassington
death place: Windsor
nationality: Kingdom of England
nationality: Isle of Man
parent: William de Montacute, 2nd Baron Montacute
parent: Elizabeth Montacute
spouse: Catherine Montagu, Countess of Salisbury
children: William de Montacute, 2nd Earl of Salisbury
children: John de Montacute, 1st Baron Montacute
children: Philippa de Montagu
children: Lady Elizabeth Montagu
children: Lady Sibyl Montagu
has occupation: diplomat
additional property: PropertyValue
  property ID: P18
  value: William Montagu.jpg
additional property: PropertyValue
  property ID: P19
  value: Cassington
additional property: PropertyValue
  property ID: P20
  value: Windsor
additional property: PropertyValue
  property ID: P21
  value: male
additional property: PropertyValue
  property ID: P22
  value: William de Montacute, 2nd Baron Montacute
additional property: PropertyValue
  property ID: P25
  value: Elizabeth Montacute
additional property: PropertyValue
  property ID: P26
  value: Catherine Montagu, Countess of Salisbury
additional property: PropertyValue
  property ID: P27
  value: Kingdom of England
additional property: PropertyValue
  property ID: P27
  value: Isle of Man
additional property: PropertyValue
  property ID: P31
  value: human
additional property: PropertyValue
  property ID: P39
  value: Constable of the Tower
additional property: PropertyValue
  property ID: P39
  value: Earl Marshal
additional property: PropertyValue
  property ID: P40
  value: William de Montacute, 2nd Earl of Salisbury
additional property: PropertyValue
  property ID: P40
  value: John de Montacute, 1st Baron Montacute
additional property: PropertyValue
  property ID: P40
  value: Philippa de Montagu
additional property: PropertyValue
  property ID: P53
  value: House of Montagu
additional property: PropertyValue
  property ID: P97
  value: Earl of Salisbury
additional property: PropertyValue
  property ID: P97
  value: Baron Montagu
additional property: PropertyValue
  property ID: P106
  value: diplomat
additional property: PropertyValue
  property ID: P119
  value: Bisham Abbey
additional property: PropertyValue
  property ID: P569
  value: January 1, 1301
additional property: PropertyValue
  property ID: P570
  value: January 30, 1344
additional property: PropertyValue
  property ID: P646
  value: /m/02c8x3
additional property: PropertyValue
  property ID: P735
  value: William
additional property: PropertyValue
  property ID: P1185
  value: 523035
additional property: PropertyValue
  property ID: P1196
  value: accidental death
additional property: PropertyValue
  property ID: P1343
  value: Dictionary of National Biography, 1885–1900
additional property: PropertyValue
  property ID: P1366
  value: William de Montacute, 2nd Earl of Salisbury
additional property: PropertyValue
  property ID: P1412
  value: English
additional property: PropertyValue
  property ID: P1415
  value: 19001
confidence:
  popularity graph score:
    score: 0.01
    score pct: 1
    tier: established
    components:
      sitelinks: 11
      sitelinks norm: 0.026
      unique citations: 5
      unique citations norm: 0.002
      monthly pageviews: 131
      monthly pageviews norm: 0.0
  sitelinks: 11
  unique citations: 5
  monthly pageviews: 131
  yearly pageviews: 771
  pageview trend:
    m: 2026-08
    v: 131
  pageview trend:
    m: 2026-07
    v: 374
  pageview trend:
    m: 2026-06
    v: 106
  pageview trend:
    m: 2026-05
    v: 2
  pageview trend:
    m: 2026-05
    v: 38
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-05
    v: 5
  pageview trend:
    m: 2026-04
    v: 2
  pageview trend:
    m: 2026-04
    v: 3
  pageview trend:
    m: 2026-04
    v: 106
  pageview trend:
    m: 2026-04
    v: 1
  pageview trend:
    m: 2026-04
    v: 1
  popularity:
    sitelinks: 11
    max: 423
    pct: 2.6
  tier: established
claims:
  P18:
    value: William Montagu.jpg
    source count: 1
    confidence: 0.2
  P19:
    value: Q3536038
    source count: 1
    confidence: 0.2
    value label: Cassington
  P20:
    value: Q464955
    source count: 1
    confidence: 0.2
    value label: Windsor
  P21:
    value: Q6581097
    source count: 1
    confidence: 0.2
    value label: male
  P22:
    value: Q7262160
    source count: 0
    confidence: 0.0
    value label: William de Montacute, 2nd Baron Montacute
  P25:
    value: Q6470125
    source count: 0
    confidence: 0.0
    value label: Elizabeth Montacute

value: Q275660
source count: 2
confidence: 0.4
value label: Catherine Montagu, Countess of Salisbury
qualifiers:
  P580: +1327-00-00T00:00:00Z

value: Q179876
source count: 0
confidence: 0.0
value label: Kingdom of England

value: Q9676
source count: 0
confidence: 0.0
value label: Isle of Man

value: Q5
source count: 1
confidence: 0.2
value label: human

value: Q1782629
source count: 1
confidence: 0.2
value label: Constable of the Tower
qualifiers:
  P580: +1335-00-00T00:00:00Z
  P582: +1344-01-30T00:00:00Z

value: Q1265164
source count: 1
confidence: 0.2
value label: Earl Marshal
qualifiers:
  P580: +1338-09-20T00:00:00Z
  P582: +1344-01-30T00:00:00Z

value: Q2474950
source count: 1
confidence: 0.2
value label: William de Montacute, 2nd Earl of Salisbury

value: Q6265591
source count: 1
confidence: 0.2
value label: John de Montacute, 1st Baron Montacute

value: Q42158820
source count: 1
confidence: 0.2
value label: Philippa de Montagu

value: Q75320793
source count: 2
confidence: 0.4
value label: Lady Elizabeth Montagu

value: Q75397090
source count: 1
confidence: 0.2
value label: Lady Sibyl Montagu

value: Q55614008
source count: 0
confidence: 0.0
value label: House of Montagu

value: Q1996518
source count: 1
confidence: 0.2
value label: Earl of Salisbury
qualifiers:
  P580: +1337-03-00T00:00:00Z
  P582: +1344-01-30T00:00:00Z

value: Q3635115
source count: 1
confidence: 0.2
value label: Baron Montagu
qualifiers:
  P580: +1319-10-18T00:00:00Z
  P582: +1344-01-30T00:00:00Z

value: Q193391
source count: 1
confidence: 0.2
value label: diplomat

value: Q2985822
source count: 1
confidence: 0.2
value label: Bisham Abbey

value: +1301-01-01T00:00:00Z
source count: 1
confidence: 0.2

value: +1344-01-30T00:00:00Z
source count: 1
confidence: 0.2

value: /m/02c8x3
source count: 1
confidence: 0.2

value: Q12344159
source count: 1
confidence: 0.2
value label: William

value: 523035
source count: 0
confidence: 0.0

value: Q21142718
source count: 1
confidence: 0.2
value label: accidental death

value: Q15987216
source count: 1
confidence: 0.2
value label: Dictionary of National Biography, 1885–1900

value: Q2474950
source count: 1
confidence: 0.2
value label: William de Montacute, 2nd Earl of Salisbury

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

value: 19001
source count: 0
confidence: 0.0

value: biography/William-de-Montagu
source count: 0
confidence: 0.0

value:
  lang: en
  text: William Montagu
source count: 1
confidence: 0.2

value: I00139779
source count: 0
confidence: 0.0

value: 6000000001745096150
source count: 0
confidence: 0.0

value: Montagu-62
source count: 0
confidence: 0.0

value: I2299
source count: 0
confidence: 0.0

value: William_de_Montacute_(4)
source count: 0
confidence: 0.0

value: p197.htm#i1964
source count: 1
confidence: 0.2

source: Freebase Data Dumps
stated in qid: Q15241312
pub year: 2013

source: Dictionary of National Biography
stated in qid: Q1210343

source: The Peerage
stated in qid: Q21401824

source: Genealogics
stated in qid: Q19847326

stated in qid: Q75653886

wikidata id: Q2481359
domain: human
level: standard
html url: https://4ort.xyz/entity/william-montagu-1st-earl-of-salisbury
markdown url: https://4ort.xyz/entity/william-montagu-1st-earl-of-salisbury.md
facts url summary: https://4ort.xyz/entity/william-montagu-1st-earl-of-salisbury/facts.json
facts url standard: https://4ort.xyz/entity/william-montagu-1st-earl-of-salisbury/facts.json
facts url full: https://4ort.xyz/entity/william-montagu-1st-earl-of-salisbury/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-02T16:29:41.681161Z
entity updated at: 2026-04-10T23:15:55.376282+00:00Z
entity created at: 2026-04-10T23:15:55.376282+00:00Z