Ivo Siewert
Haribert Siewert
Irene ‏(Family name unknown)‏
Adolfo Siewert

Heinrich Siewert
Guilhermina "Mute" Denzer
Otto Siewert
Emma ‏(Family name unknown)‏
Halberto Denzer
Emilia ‏(Family name unknown)‏
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