Bengt Edvard Sixten "Sigge" Sparre af Rossvik (27 September 1854 – 19 July 1889) was a Swedish nobleman, lieutenant, cavalry officer, journalist, poet, mostly known for the murder of circus performer Elvira Madigan in a murder-suicide. Their story has been subject to several theatrical and cinematic productions, such as that Elvira Madigan of Bo Widerberg in 1967 (played by Thommy Berggren) and a Danish film (Søren Svejstrup). . Early life. Sparre af Rossvik was born on 27 September 1854 in Malmö, Sweden, the son of Sigge Rossvik and Adelaide Peijron. Personal life.
https://en.wikipedia.org/wiki/Sixten_Sparre