question: Baron Prášil is the czech name for a character who is loosely based on what real baron?
answer: Hieronymus Karl Friedrich
context: Title: Labe (hamlet)
  Passage: Labe (German: Elbe) is a hamlet in Šumperk District, Olomouc Region, Czech Republic.  It was founded by German settlers from Vrchlabí in 1521.  Vrchlabí is called "Hohen Elbe" in German language, thus the hamlet is obviously named after settlers' hometown.  Czech name is a consequence of bad understanding of name's evolution.  Officials believed the name was derived from Elbe River which is called Labe in Czech Language.
  Title: 't Was één April
  Passage: When Mister Vlasman gets promoted from baking bread to making macaroni, he and his wife want to enter high society.  They could not be happier when a wealthy baron offers to introduce them into the high class.  What they don't realise is that this was all an April Fools' prank.  Unfortunately for the pranksters, things get out of hand when a real baron visits the Vlasmans.
  Title: Czech studies
  Passage: Bohemistics, also known as Czech studies, is the field of humanities that researches, documents and disseminates Czech language and literature in both its historic and present-day forms.  The common Czech name for the field is "bohemistika".  A researcher in the field is usually called a "Bohemist".
  Title: Baron Prášil
  Passage: Baron Prášil is the Czech name for the historical and literary character Baron Munchausen.
  Title: Baron Munchausen
  Passage: Baron Munchausen ( ) is a fictional German nobleman created by the German writer Rudolf Erich Raspe in his 1785 book "Baron Munchausen's Narrative of his Marvellous Travels and Campaigns in Russia".  The character is loosely based on a real baron, Hieronymus Karl Friedrich, Freiherr von Münchhausen (1720–1797, German pronunciation: ] ).
  Title: Egerberk
  Passage: Egerberk (or "Egerberg", in Czech "Lestkov") is a ruined castle near Klášterec nad Ohří.  The name is derived from the German name of the Ohře river - Eger => Egerberg.  The Czech name is by the village Lestkov, now an administrative part of Klášterec nad Ohří.
  Title: Rabí Castle
  Passage: Rabí or Rábí is ruined castle in Southwestern Bohemia (Plzeň Region), on a prominent hill by the central course of the River Otava, in the foothills of Šumava region, 130 km from Prague, Czech Republic.  It is the largest castle (in terms of area) from all Czech castles.  Its name might derive from the German word "raben" ("raven"), or it could be mangled Czech name "vrab(č)í vrch" ("sparrow's peak").
citations: Baron Munchausen Baron Prášil