Heinrich Siewert |
Hermann Siewert |
Adolfo Siewert |
Birth -- 9 November 1892 |
Birth -- 25 July 1915 22 19 |
Birth -- 13 January 1920 27 24 |
Death -- 11 August 1978 (Age 85) |
Death -- 11 June 1994 (Age 78) |
Death -- 7 February 2003 (Age 83) |
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