Jan Ostroróg (1436–1501) was a Polish political writer,

voivode Voivode (, also spelled ''voievod'', ''voevod'', ''voivoda'', ''vojvoda'' or ''wojewoda'') is a title denoting a military leader or warlord in Central, Southeastern and Eastern Europe since the Early Middle Ages. It primarily referred to the me ...

of Poznan and adviser to the Polish kings

Casimir IV Jagiellon Casimir IV (in full Casimir IV Andrew Jagiellon; pl, Kazimierz IV Andrzej Jagiellończyk ; Lithuanian: ; 30 November 1427 – 7 June 1492) was Grand Duke of Lithuania from 1440 and King of Poland from 1447, until his death. He was one of the ...

and

John I Albert John I Albert ( pl, Jan I Olbracht; 27 December 1459 – 17 June 1501) was King of Poland from 1492 until his death in 1501 and Duke of Głogów (Glogau) from 1491 to 1498. He was the fourth Polish sovereign from the Jagiellonian dynasty, the s ...

. Ostroróg came from the old Polish nobility of the

Ostroróg Ostroróg (german: Scharfenort) is a town in Szamotuły County, Greater Poland Voivodeship, Poland, with 1,993 inhabitants (2004). History Ostroróg was first mentioned in 1383. It was granted town rights before 1412. There was a hospital in t ...

. He studied law at the universities of Erfurt and Bologna. He was a proponent of strong central authority of the monarchy, calling for reforms within the Roman Catholic Church and the law (he promoted equality of all classes before the law). In his work ''Memoriał o urządzeniu Rzeczypospolitej'', written around 1475, he advocated fundamental reforms of the state, as well as the

separation of state and church The separation of church and state is a philosophical and Jurisprudence, jurisprudential concept for defining political distance in the relationship between religious organizations and the State (polity), state. Conceptually, the term refers to ...

and the introduction of universal

conscription Conscription (also called the draft in the United States) is the state-mandated enlistment of people in a national service, mainly a military service. Conscription dates back to antiquity and it continues in some countries to the present day un ...

. His marriage to the Ratibor princess Helene, the daughter of Wenceslaus II, Duke of Opava-Ratibor, a direct descendant of

Ottokar II of Bohemia Ottokar II ( cs, Přemysl Otakar II.; , in Městec Králové, Bohemia – 26 August 1278, in Dürnkrut, Lower Austria), the Iron and Golden King, was a member of the Přemyslid dynasty who reigned as King of Bohemia from 1253 until his deat ...

, produced the sons Wacław and Stanisław Ostroróg.

References

*"Grodzisk Wielkopolski" - Paweł Anders, Wydawnictwo WBP, Poznań 1995, {{DEFAULTSORT:Ostrróg, Jan 1436 births 1501 deaths

Jan Jan, JaN or JAN may refer to: Acronyms * Jackson, Mississippi (Amtrak station), US, Amtrak station code JAN * Jackson-Evers International Airport, Mississippi, US, IATA code * Jabhat al-Nusra (JaN), a Syrian militant group * Japanese Article Num ...

15th-century Polish writers