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Daughter of Claës Jonasson Niska and Brita Catharina Mattsdotter Niska Sister of Adolf Niska; Claes Niska; Maria Sofia Niska; Bruno Alexander Niska; Betty Emilia Saksa and 3 others; Ivar Alfred Claesson Niska; Brita Mathilda Niska and Edla Johanna Lundgren « less
https://fi.wikipedia.org/wiki/Anna_Niska
https://kansallisbiografia.fi/kansallisbiografia/henkilo/4673