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Daughter of Juho Samulinpoika Halm and Elsa Kaisa Kemppainen, Halm Wife of Josef Olsbo Mother of Johan Petter Halm Sister of Katharina Amalia Piukula; Henriikka Juhontytär Halm; Johan Jacob Halm and Greta Magdalena Heikkinen Half sister of Carl Gustaf Halm