Embla Hjulström
Embla Ester Lovisa Granqvist Hjulström( born 5 July 1994) is a Swedish actress.
She is best known for her role as Greta in" Svensson, Svensson" and Simone Bernér in several Beck- films.
Oh Chang-hyeon
Oh Chang- hyeon( born 2 March 1993) is a South Korean football midfielder who plays for Seongnam FC in K League Challenge.
Alf Svensson
Alf Robert Olof Svensson( born 1 October 1938) is a Swedish politician.
He was a Member of the European Parliament from 2009 to 2014.
Svensson was the leader of the Christian Democrats in Sweden between 1973 and 3 April 2004.
He was a Member of Parliament from 1985 to 1988, and again from 1991 until his election to the European Parliament in 2009.
Between 1991 and 1994 he was Minister for Development Cooperation in the liberal- conservative Cabinet led by Prime Minister Carl Bildt.
GBM (video game player)
Lee Chang- seok, better known by his in- game name GBM, is a South Korean professional" League of Legends" player who is the mid laner for Galatasaray Esports of the Turkish Championship League( TCL).
He previously played for NRG Esports of the LCS, Team Vitality of the LEC, and Jin Air Green Wings and CJ Entus of the LCK.
Yi Hong
Yi Hong( born 1974 in Seoul) is a descendant of the Joseon Dynasty rulers, who works as a model and entertainer.
She is the eldest daughter of His Highness Prince Yi Seok of Korea by his second wife, Donkgo Jeonghui, and a great- granddaughter of Emperor Gojong of the Korean Empire.
She is commonly referred to as" the last Imperial princess" by the public in South Korea.
Oh Chang-hyun
Oh Chang- hyun( born May 4, 1989) is a South Korean football player who plays for Daejeon Citizen in the K League Challenge.
Alf Svensson (guitarist)
Alf Svensson is a Swedish heavy metal guitarist.
He initially played in Oral from 1984 to 1989.
He temporarily entered Grotesque and Liers in Wait before joining At the Gates in 1990.
He was their guitarist until 1993.
In 1994, he reformed Oral to record an EP.
He then formed Oxiplegatz, and went on to release three albums with them.
He currently works as art director in First Planet Company (MMO Entropia Universe).
Oh Chang-sik
Oh Chang- Sik( born March 27, 1984) is a South Korean football player.
Oh Chang-seok
Oh Chang- seok( born 2 June 1982) is a South Korean actor.
He is best known for his leading role in the 2013 television series" Princess Aurora".
Dimitri Stassos
Dimitri Stassos( Greek: Δημήτρη Στασσος; born 1969 in Stockholm, Sweden), is a Swedish- Greek songwriter known for his entries in the Eurovision Song Contest as well as writing hits for Ola Svensson and others.

Question: Were Alf Svensson and Oh Chang-Seok of the same nationality?
Answer: no