Julie Halard-Decugis was the defending champion but did not compete that year.
Julie Halard-Decugis (born 10 September 1970) is a French former professional tennis player.
Stefan Simonsson (born 5 January 1960, in Hyltebruk), is a former professional tennis player from Sweden.
 He enjoyed most of his tennis success while playing singles.
 During his career he won 2 doubles titles.
 He achieved a career-high singles ranking of World No. 49 in 1983 and a career-high doubles ranking of World No. 88 in 1984.
 He´s the brother of Hans Simonsson.
 After his career, he coached two top 10 players on the ATP ranking, Magnus Gustavsson and Magnus Larsson.
Janette Husárová and Dominique Van Roost were the defending champions but they competed with different partners that year, Husárová with Julie Halard-Decugis and Van Roost with Laura Golarsa.
Els Callens and Julie Halard-Decugis were the defending champions but did not compete that year.
Hans Simonsson (born 1 May 1962 in Färgaryd) is a retired professional tennis player from Sweden.
 Primarily a doubles specialist, he won 12 ATP Tour titles in his career.
 He won the French Open doubles title in 1983 with his countryman Anders Järryd.
 He also played in the 1983 Davis Cup final for Sweden.
 He reached his career high doubles ranking of No. 10 in the world on 2 January 1984.
 Simonsson again reached the French Open doubles final in 1985, but he and Schlomo Glickstein were defeated by Mark Edmondson and Kim Warwick.
 The Swede finished his career prematurely at the age of 25.
 He's the brother of Stefan Simonsson.
Julie Halard-Decugis was the defending champion but was beaten in the quarterfinals by Tamarine Tanasugarn.
Julie Halard-Decugis was the defending champion but did not compete that year.
Julie Halard-Decugis and Sandrine Testud were the defending champions but did not compete that year.
The 1999 DFS Classic – Singles was the singles event of the seventeenth edition of the Aegon Classic, a WTA Tier III tournament held in Birmingham, England, United Kingdom and part of the European grass court season.
 Els Callens and Julie Halard-Decugis were the defending champions but did not return to defend their title.

Question: Are Hans Simonsson and Julie Halard-Decugis both from Sweden?
Answer: No.