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Son of Gutknecht, Johann and Hartwich, Anna Marianne Brother of Gutknecht, Jan Daniel; Gutknecht, Wilhelmina; Gutknecht, Monika; Gutknecht, Justyna; Gutknecht, Karolina and 3 others; Gutknecht, Hanna Julia Friederika; Gutknecht, Anna Susanna and Gutknecht, Johann Julius « less