# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/casimir-of-masovia
# Generated: 2026-09-01T03:10:11.375Z

schema: https://schema.org/Person
url: "https://fame.am/person/casimir-of-masovia"
name: "Casimir of Masovia"
slug: "casimir-of-masovia"
description: "Casimir I of Warsaw, was a Polish prince, member of the House of Piast, Duke of Czersk 1341–1349 jointly with his brother, after 1345 ruler over Rawa Mazowiecka jointly with his brother, after 1349 sole ruler over Warsaw, after 1351 sole ruler over Sochaczew, Polish vassal since 1351."
tagline: "(1320-1355)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Kazimierz_I.jpg?width=1200"
gender: "male"
birthDate: "1320"
deathDate: "1355-11-26"
livingStatus: "DECEASED"
scores:
  popularity:           45.75
  momentum:             8.518518518518517
  historical:           8.283298666666667
  currentAttention:     47.32510288065844
  sourceConfidence:     50.00000000000001
  profileCompleteness:  40
  trendDirection:       "RISING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://uk.wikipedia.org/wiki/%D0%9A%D0%B0%D0%B7%D0%B8%D0%BC%D0%B8%D1%80_I_%D0%92%D0%B0%D1%80%D1%88%D0%B0%D0%B2%D1%81%D1%8C%D0%BA%D0%B8%D0%B9"
    title: "Казимир I Варшавський"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Kasimir_I._(Warschau)"
    title: "Kasimir I. (Warschau)"
    type:  "WIKIPEDIA"
  - url: "https://el.wikipedia.org/wiki/%CE%9A%CE%B1%CE%B6%CE%AF%CE%BC%CE%B7%CF%81%CE%BF%CF%82_%CE%91%CE%84_%CF%84%CE%B7%CF%82_%CE%92%CE%B1%CF%81%CF%83%CE%BF%CE%B2%CE%AF%CE%B1%CF%82"
    title: "Καζίμηρος Α΄ της Βαρσοβίας"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Casimir_I_of_Warsaw"
    title: "Casimir I of Warsaw"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Casimir_Ier_de_Varsovie"
    title: "Casimir Ier de Varsovie"
    type:  "WIKIPEDIA"
  - url: "https://id.wikipedia.org/wiki/Kazimierz_I_dari_Warsawa"
    title: "Kazimierz I dari Warsawa"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Casimir_I_van_Warschau"
    title: "Casimir I van Warschau"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Kazimierz_I_warszawski"
    title: "Kazimierz I warszawski"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%9A%D0%B0%D0%B7%D0%B8%D0%BC%D0%B8%D1%80_I_%D0%92%D0%B0%D1%80%D1%88%D0%B0%D0%B2%D1%81%D0%BA%D0%B8%D0%B9"
    title: "Казимир I Варшавский"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q2941051"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump