Jonas Kilthau
Jonas Kilthau( born 23 April 1991) is a German lightweight rower.
He won a gold medal at the 2014 World Rowing Championships in Amsterdam with the lightweight men's eight.
Yasemin Güler
Yasemin Güler( born April 10, 1994) is a Turkish women's handballer, who plays in the Turkish Women's Handball Super League for Kastamonu Bld.
GSK, and the Turkey national team.
The- tall sportswoman plays in the right wing position.
1995 Stella Artois Championships – Doubles
Jan Apell and Jonas Björkman were the defending champions but lost in the final 7 – 6, 6 – 4 against Todd Martin and Pete Sampras.
1994 Stella Artois Championships – Doubles
Todd Woodbridge and Mark Woodforde were the defending champions but lost in the final 3 – 6, 7 – 6, 6 – 4 against Jan Apell and Jonas Björkman.
Lars-Erik Esbjörs
Lars- Erik Esbjörs( born October 11, 1949 in Avesta, Sweden) is a retired Swedish professional ice hockey player and coach.
He is the father of hockey players Joakim and Jonas Esbjörs.
Muratcan Güler
Muratcan Güler( born February 25, 1980) is a Turkish professional basketball player.
He is currently playing for Beşiktaş of the Turkish Basketball League.
He plays the point guard position and 1.88 m( 6'2") tall and weighs 82 kg( 180 lb).
He is son of former basketball player Necati Güler and older brother of basketball player Sinan Güler.
He studied at Istanbul Kültür University.
Christian Peter Lübeck
Christian Peter Lübeck( born 23 April 1991) is a Danish sailor.
He and Jonas Warrer placed fourth in the 49er event at the 2016 Summer Olympics.
Band in a Bus
Band in a Bus is a 2008 video release from American pop- rock band, the Jonas Brothers, the stars of Disney's Camp Rock and Jonas and Jonas L.A.
It was filmed while on the Best of Both Worlds Tour with Miley Cyrus.
Ten episodes, each approximately three minutes in length, were produced and made available exclusively by Verizon Wireless as downloads for Vcast- enabled mobile telephones.
1994 ATP Tour World Championships – Doubles
Jan Apell and Jonas Björkman won in the final 6 – 4, 4 – 6, 4 – 6, 7 – 6, 7 – 6 against Todd Woodbridge/ Mark Woodforde.
2006 SAP Open – Doubles
John McEnroe and Jonas Björkman won in the final 7 – 6, 4 – 6, 10 – 7, against Paul Goldstein and Jim Thomas.

Question: Were Yasemin Güler and Jonas Kilthau of the same nationality?
Answer: no