Karl-Otto Koch
Karl-Otto Koch (2 August 1897 – 5 April 1945) was a mid-ranking commander in the SS of Nazi Germany who was the first commandant of the Nazi concentration camps at Buchenwald and Sachsenhausen.
From September 1941 until August 1942, he served as the first commandant of the Majdanek concentration camp in occupied Poland, stealing vast amounts of valuables and money from murdered Jews.
His wife, Ilse Koch, also took part in the notorious crimes at Buchenwald and Majdanek.
Peter Straub (politician)
Peter Karl Otto Straub( born 8 September 1939) is a politician from Germany, and served as president of the Committee of the Regions( CoR) of the European Union( EU) from 2004 to 2006.
Karl von Auwers
Karl Friedrich von Auwers( September 16, 1863 – May 3, 1939) was a German chemist, and was the academic adviser of both Karl Ziegler and Georg Wittig at the University of Marburg.
Karl Otto Hunziker
Karl Otto Hunziker( 13 August 1841 – 23 May 1909) was a Swiss professor of pedagogy, a pastor, and a politician.
Karl Otto Ludwig von Arnim
Karl Otto Ludwig von Arnim( 1 August 1779 in Berlin – 9 February 1861 in Berlin) was a German travel writer.
Eric Koch
Eric Otto Koch( 31 August 1919 – 28 April 2018) was a German- born Canadian author, broadcaster and academic.
Adolf Arndt
Karl Otto Adolf Arndt( 12 March 1904 – 13 February 1974) was a German politician and a member of the SPD.
He was born in Königsberg and died in Kassel.
Jari Pedersen
Jari Pedersen( born 2 September 1976) is a Danish former professional footballer who played as a striker.
He later worked as a coach.
Karl Otto Weber
Karl Otto Weber( December 29, 1827 – June 11, 1867) was a German surgeon and pathologist born in Frankfurt am Main.
Helmut Beumann
Helmut Karl Otto Beumann( 23 October 1912, Braunschweig- 14 August 1995, Marburg) was a German historian.

Question: Are both Karl-Otto Koch and Jari Pedersen from the same country?
Answer: no