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,[1][2][3] such as that Elvira Madigan of Bo Widerberg in 1967 (played by Thommy Berggren)[4] and a Danish film (Søren Svejstrup).

[6] In 1880, he married Countess Luitgard "Lycka" Adlercreutz.

[6] Sparre and Madigan were both buried at Tåsinge graveyard.

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