2011 Orange Open Guadeloupe – Doubles
Riccardo Ghedin and Stéphane Robert defeated Arnaud Clément and Olivier Rochus 6 – 2, 5 – 7,[ 10 – 7] in the final.
Minor Swing (composition)
" Minor Swing" is a gypsy jazz tune composed by Django Reinhardt and Stéphane Grappelli.
It was recorded by The Quintet of the Hot Club of France in 1937.
It was recorded five other times throughout Reinhardt's career and is considered to be one of his signature compositions.
The composition was first released as a 78 single by Swing in 1937 with Django Reinhardt and Stéphane Grappelli in the Quintette du Hot Club de France.
Jalouse
Jalouse is a 2017 French comedy film directed by David and Stéphane Foenkinos.
2011 BNP Paribas Polish Open – Doubles
Mariusz Fyrstenberg and Marcin Matkowski won the tournament.
They defeated Olivier Charroin and Stéphane Robert in the final, 7 – 5, 7 – 6.
2013 Copa Sevilla – Doubles
Alessandro Motti and Stéphane Robert won the title, defeating Stephan Fransen and Wesley Koolhof 7 – 5, 7–5
Delicacy (film)
Delicacy is a 2011 French romantic comedy- drama directed by David and Stéphane Foenkinos based on a novel of the same name by David Foenkinos.
2011 ABN AMRO World Tennis Tournament – Wheelchair Doubles
This was the first year of the Wheelchair doubles.
The tournament was played in a round robin format and Robin Ammerlaan and Stéphane Houdet won the league.
Stéphane Walker
Stéphane Walker( born 25 December 1990) is a Swiss figure skater.
Competing in men's singles, he won ten international medals, including two on the ISU Challenger Series, and became a five- time Swiss national champion( 2013 – 14, 2016 – 18).
He appeared in the final segment at seven ISU Championships( six European Championships and the 2014 World Championships).
Jürgen Dietze
Jürgen Dietze( born 16 September 1942, in Leipzig) is a German former swimmer who competed in the 1960 Summer Olympics and in the 1964 Summer Olympics.
Myriam Oberwiler
Myriam Loriol- Oberwiler( born 19 November 1962 in Zurich) is a Swiss former competitive figure skater.
Appearing as Myriam Oberwiler in ladies' singles, she became a two- time Swiss national champion( 1982 and 1984) and finished 14th at the 1984 Winter Olympics.
Working in Neuchâtel, Loriol- Oberwiler coached Stéphane Walker(? – 2015) and Nicola Todeschini(? – spring 2013).
She retired from coaching by the end of 2015.
She has also worked as an International Skating Union technical specialist.

Question: Did Jürgen Dietze and Stéphane Walker have the same nationality?
Answer: no