# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/jan-kostka
# Generated: 2026-08-13T13:02:34.274Z

schema: https://schema.org/Person
url: "https://fame.am/person/jan-kostka"
name: "Jan Kostka"
slug: "jan-kostka"
description: "Jan Kostka was a Polish noble and a candidate in elections for the new King of Poland in 1572. He was also an advisor to Kings Henry of Valois and Stefan Batory."
tagline: "Polish noble"
gender: "male"
birthDate: "1529"
deathDate: "1581-05-31"
livingStatus: "DECEASED"
scores:
  popularity:           42.51
  momentum:             5.135497319833235
  historical:           5.678006666666667
  currentAttention:     0
  sourceConfidence:     35
  profileCompleteness:  25
  trendDirection:       "RISING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://lt.wikipedia.org/wiki/Janas_Kostka"
    title: "Janas Kostka"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Jan_Kostka"
    title: "Jan Kostka"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Jan_Kostka"
    title: "Jan Kostka"
    type:  "WIKIPEDIA"
  - url: "https://uk.wikipedia.org/wiki/%D0%AF%D0%BD_%D0%9A%D0%BE%D1%81%D1%82%D0%BA%D0%B0"
    title: "Ян Костка"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Jan_Kostka"
    title: "Jan Kostka"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%9A%D0%BE%D1%81%D1%82%D0%BA%D0%B0%2C_%D0%AF%D0%BD"
    title: "Костка, Ян"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q6149299"
    title: "Wikidata"
    type:  "WIKIDATA"

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