Are you asking about this person? I suppose something happened to her parents (death?) or perhaps the parents had no way to support her. Maybe Emma had no means of supporting her either.
There should be some clues if you research in the Swedish parish records. The easiest way to do that would be using Genline, a fee-based site.
http://www.genline.com 1890 Swedish Census CD:
(Saknar efternamn), Emma Gustafva 1865
----------
(Saknar efternamn), Jenny 1878
----------
(Saknar efternamn), Sigrid Ingeborg 1880
Post 1781372
Jenny
b. 1878 i Jämshög (Blekinge län, Blekinge)
Girl
Östra Hoby fattighus (Fattighus = poor house)
Östra Hoby (Kristianstads län, Skåne)
Place of birth (original source): Jemshög
Is this the sister Emma you mentioned?
Post 1781371
Emma Gustafva
b. 1865 i Jämshög (Blekinge län, Blekinge)
Woman, single
Östra Hoby fattighus
Östra Hoby (Kristianstads län, Skåne)
Place of birth (original source): Jemshög
1900 Swedish Census CD:
Billing, Anna Lovisa Charlotta 1829
----------
(Saknar efternamn), Elise Marie Adelaide 1831
----------
Svanlindh, Jenny 1878
Carlsson, Karin Lovisa 1873
----------
Björkman, Anna Emmy Christina 1876
----------
Göransson, Ida Emilia 1871
----------
Kronqvist, Maria 1867
----------
Svensson, Elna 1862
----------
Nilsson, Elna 1877
----------
Hansson, Elise 1878
----------
Jönsson, Cecilia 1872
----------
Lindgren, Ida Carolina 1872
----------
Svensson, Ingar 1872
----------
Johansdotter, Mathilda 1868 Mother
(Barn), Edvin Arthur 1899 Child
----------
Hedlund, Sigrid Charlotta Euphros 1876
----------
Sölvin, Johanna 1875
----------
Lindgren, Ida Anna Augusta 1883
----------
Larsdotter, Mathilda 1883
----------
Svanlind, Emma Gustava 1865
----------
Carlsson, Elvira 1885
----------
Carlsson, Amanda Vilhelmina 1883
----------
Olsson, Clara Mathilda 1879
----------
Olsson, Ida Johanna 1881
----------
Petersson, Ingrid 1856
----------
Hansdotter, Ada Bina 1873
----------
Johansson, Annette 1880
----------
Eriksson, Hilda 1874
----------
Persson Chrisander, Ninni Christina 1882
----------
Lundstedt, Ernst 1879
----------
Liedholm, Ernst Hugo 1880
----------
Nilsson, Johan Magnus 1879
----------
Wallgren, John Edvin Fredrik 1879
----------
Larsson, Olof 1880
----------
Vigfors, Ernst Victor 1876
Record 999846
Svanlind, Emma Gustava
Piga
b. 1865 in Jämshög (Blekinge län, Blekinge)
Woman, single
Qv. Paul 161 - 81
Ystads stadsförs (Malmöhus län, Skåne)
Place of birth (original source): Jämshög Blekinge län
Record 944484
Svanlindh, Jenny
Piga = maid.
b. 1878 in Jämshög (Blekinge län, Blekinge)
Girl
Krafts rote.
Lunds stadsförs (Malmöhus län, Skåne)
Place of birth (original source): Jämshög Blekinge län
This appears to be the same person on the cd Swedish Death Index 1947-2003. If so, she never married. I don't know about children.
18780528-432
Svanlind Göransson, Jenny
Sallerupsvägen 21
Dead 9/7/1959.
Registered in Malmö Sankt Pauli, Malmö kn (Malmöhus län, Skåne).
Born 5/28/1878 in Jämshög (Blekinge län, Blekinge).
Unmarried woman.
--------------
Corresponding parish(es) as of Jan 1, 2005:
Malmö Sankt Pauli, Malmö kn (Skåne län, Skåne)
Möllevången-Sofielund, Malmö kn (Skåne län, Skåne)
Parish of birth in the records:
Jemskog (Blekinge)
Source records:
DB, FS / DOR 52-60
I hope someone can help you.
Judy