I don't see that Oskar Albert born 1886 in Hjärsås in the Swedish Death Index 1901-2009, so perhaps he emigrated.
But the index is not complete before 1947, so he could have died in Sweden 1901-1946.
At least his sister Ester Beata and brother Sjunne Samuel died in Knislinge:
18940213-3509
Elofsson, Ester
Logen 3
Dead 8/3/1968.
Registered in Knislinge, Knislinge kn (Kristianstads län, Skåne).
Born 2/13/1894 in Hjärsås (Kristianstads län, Skåne).
Unmarried woman.
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18970521-3537
Elofsson, Sjunne Samuel
Solhällan, 28900 Knislinge
Dead 11/30/1983.
Registered (1974) in Hjärsås, Östra Göinge kn (Kristianstads län, Skåne). Registered for taxation (1974) in the same parish.
Born 5/21/1897 in Hjärsås (Kristianstads län, Skåne).
Widower (3/6/1976).
--------------
Probable wife:
18990703-3527
Elofsson, Hilma Ingeborg
Haraberga 3016, 28061 Knislinge
(Address as of Nov 1, 1970)
Dead 3/6/1976.
Registered (1974) in Hjärsås, Östra Göinge kn (Kristianstads län, Skåne). Registered for taxation (1974) in the same parish.
Born 7/3/1899 in Hjärsås (Kristianstads län, Skåne).
Married woman (3/23/1927).
--------------
Other siblings:
18891002-3525
Elofsson, Jenny
Brännskulla 2117, 280 63 Sibbhult
(Address as of Nov 1, 1970)
Dead 3/14/1976.
Registered (1976) in Hjärsås, Östra Göinge kn (Kristianstads län, Skåne). Registered for taxation (1976) in the same parish.
Born 10/2/1889 in Hjärsås (Kristianstads län, Skåne).
Unmarried woman.
--------------
August born 1887, Nils born 1894 and Emil born 1895 not found in the Death Index.
This map shows that Knislinge and Hjärsås were neighboring parishes:
http://www.gis.scb.se/atlas/RikIndAtlas1992/showimg.asp?imgnr=29 // Bo Johansson