Martti Wallén
Martti Wallén( born 20 November 1948) is a Finnish operatic bass singer.
Born in Helsinki, he sang both internationally and in his native country where he was a visiting soloist at the Finnish National Opera for many years.
He created the role of the Judge in the world premiere of Aulis Sallinen's" The Horseman" in 1975.
Biser Ivanov
Biser Ivanov( born 24 June 1973 in Sofia) is a retired Bulgarian footballer and coach, who played as a midfielder.
His career began and ended at Levski Elin Pelin.
In between, Ivanov also played for Velbazhd Kyustendil, Chirpan, Spartak Plovdiv, Levski Sofia and Marek Dupnitsa in Bulgaria, Anorthosis in Cyprus, and for the Bulgarian national team.
Sune Skagerling
Sune Ralf Bertil Skagerling (September 27, 1919 – November 28, 1997) was a Swedish bobsledder who competed in the 1956 Winter Olympics.
Together with Olle Axelsson, Ebbe Wallén, and Gunnar Åhs
he was a crew member of "Sweden I" who finished 16th in the four-man event.
He was born in Stockholm and died in Tyresö.
David Ji
David Longfen Ji is an American businessman who co-founded Apex Digital, an electronics manufacturer.
In 2004, he was arrested in China following a dispute with Sichuan Changhong Electric, a supplier owned by the city of Mianyang and the province of Sichuan.
Changhong accused him of defrauding them through bad checks.
Ji was taken, according to an account by his lawyer, to the senior management and told, "I decide whether you live or die."
He has been held in China without charges.
Ji's case highlighted an "implicit racism" in dealings with American businessmen.
As a U.S. citizen he was not granted the same treatment by authorities as non-ethnically Chinese businessmen sharing the same nationality.
Marie Doležalová
Marie Doležalová( born 24 January 1987) is a Czech actress.
Doležalová took part in the Czech television series" StarDance" in 2015, finishing first with dancing partner Marek Zelinka ahead of runners- up Jitka Schneiderová and Marek Dědík.
Ventsislav Velinov
Ventsislav Velinov( born 2 January 1981) is a Bulgarian footballer.
Velinov previously played for Vihren Sandanski and Marek Dupnitsa in the A PFG.
He is the son of legendary CSKA Sofia goalkeeper Georgi Velinov.
Marek Jurek
Marek Jurek( 28 June 1960 in Gorzów Wielkopolski, Poland) is a right- wing politician and a Member of the European Parliament.
Since 20 April 2007
he has been the leader of the aspirant party Right of the Republic.
Politically, he is most known for being a Marshal of the Sejm in the years 2005- 2007.
Magnus Augustson
Karl Magnus Augustson( born 14 Match 1973) is a Swedish Olympic sailor.
He finished 7th in the Soling event at the 2000 Summer Olympics together with Hans Wallén and Johan Barne.
Augustson has sailed in multiple America ’s Cups, competing for Victory Challenge in 2003, Luna Rossa Challenge in 2007 and Artemis Racing in the 2013 America's Cup.
Artur Zawisza
Artur Wojciech Zawisza( born 30 March 1969 in Lublin, Poland) is a Polish politician.
He is a member of the Libertas Poland party, of which he is the vice- president.
He graduated in literature and philosophy from the Catholic University of Lublin.
In the 1980s he was a member of the underground anti-communist Catholic Scouting Organization" Zawisza".
After finishing his studies he assisted Marek Jurek, a Member of the National Broadcasting Council.
In 1997 he was editor- in- chief of a nationwide daily newspaper" Nasz Dziennik".
Later in 1997 he became Chief of the Cabinet of the Chief of the Chancellery of the Prime Minister of Poland.
From 1998 to 2000 he was secretary general of the Zjednoczenie Chrześcijańsko- Narodowe( National- Christian Union).
In 2001 he was one of the founders of Przymierze Prawicy( Alliance of Right).
Alliance of Right united with Law and Justice in 2002.
He has been a member of the Sejm since 2001.
He works in the Economy Committee and Public Finance Committee in the Polish Parliament.
He is the President of the Polish- Irish Interparliamentary Group and Vice President of the Parliamentary Caucus for Defence of the Rights of the Family.
He was re-elected in 2005.
From 2013 to 2017 he was one of the leaders of National Movement.
He has been married since 1995 and has two daughters and a son.
Tomasz Łosowski
Tomasz Łosowski( born September 28, 1973), also known as Łosiu is a Polish jazz and session drummer.
He played with such musicians and bands like The Blenders, ΠR2, Kombi, Marek Raduli, Wojtek Pilichowski, Robert Janson, Renata Dąbkowska, Leszek Możdżer and Marek Biliński.

Question: Were Martti Wallén and Marek Jurek of the same nationality?
Answer: no