Maria del Pilar Mencos y del Arco, Marquesa de Eslava
type: Person
description: (born 1919)
birth date: 1919-04-22
parent: Joaquín Ignacio Mencos y Bernaldo de Quirós
parent: María del Pilar del Arco y Cubas
spouse: Rafael Londaiz y de la Plaza
children: Isabel Londaiz y Mencos
children: Joaquin Londaiz y Mencos
children: Maria de Fuencisla Londaiz y Mencos
children: Luis Fernando Londaiz y Mencos
additional property: PropertyValue
  property ID: P21
  value: female
additional property: PropertyValue
  property ID: P22
  value: Joaquín Ignacio Mencos y Bernaldo de Quirós
additional property: PropertyValue
  property ID: P25
  value: María del Pilar del Arco y Cubas
additional property: PropertyValue
  property ID: P26
  value: Rafael Londaiz y de la Plaza
additional property: PropertyValue
  property ID: P31
  value: human
additional property: PropertyValue
  property ID: P40
  value: Isabel Londaiz y Mencos
additional property: PropertyValue
  property ID: P40
  value: Joaquin Londaiz y Mencos
additional property: PropertyValue
  property ID: P40
  value: Maria de Fuencisla Londaiz y Mencos
additional property: PropertyValue
  property ID: P569
  value: April 22, 1919
additional property: PropertyValue
  property ID: P734
  value: Mencos
additional property: PropertyValue
  property ID: P735
  value: María del Pilar
additional property: PropertyValue
  property ID: P1819
  value: I00292593
additional property: PropertyValue
  property ID: P1950
  value: del Arco
additional property: PropertyValue
  property ID: P4638
  value: p9404.htm#i94039
confidence:
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claims:
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    value label: female
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    value label: Joaquín Ignacio Mencos y Bernaldo de Quirós
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  P26:
    value: Q75371258
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    value label: Rafael Londaiz y de la Plaza
    qualifiers:
      P580: +1947-09-12T00:00:00Z
  P31:
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  P40:
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    value label: Isabel Londaiz y Mencos
  P40:
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    value label: Joaquin Londaiz y Mencos
  P40:
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    value label: Maria de Fuencisla Londaiz y Mencos
  P40:
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    value label: Luis Fernando Londaiz y Mencos
  P569:
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    value label: Mencos
  P735:
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    value label: María del Pilar
  P1819:
    value: I00292593
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  P1950:
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    value label: del Arco
  P4638:
    value: p9404.htm#i94039
    source count: 1
    confidence: 0.2
citations:
  source: The Peerage
  stated in qid: Q21401824
meta:
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  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-09T01:29:39.810972Z
  entity updated at: 2026-05-03T16:20:22.557058+00:00Z
  entity created at: 2026-05-03T14:15:54.830306+00:00Z