Hanniball Ottomar Hackelberg

(1876 - 1923)
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Born in Haapsalu, Laanemaa, Estland on 24 Aug 1876 to Hans Hackelberg and Julie Martinson. Hanniball Ottomar Hackelberg passed away on Ungef. 1923 in Haapsalu, Laanemaa, Estland.

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