Wilhelm married Henriette Pollnow. [Group Sheet]

1. Erich Hermann Walter Kassahn was born 12 Jan 1896, Quisbernow, Belgard, Pommern.
2. Hedwig Helene Ida Kassahn was born 6 May 1898, Quisbernow, Belgard, Pommern; died 30 Jan 1901, Quisbernow, Belgard, Pommern.
3. Erna Frieda Anna Kassahn was born 26 Apr 1901, Quisbernow, Belgard, Pommern.
4. Paul Albert Richard Kassahn was born 19 May 1903, Quisbernow, Belgard, Pommern.
5. Richard Karl Hermann Kassahn was born 27 Aug 1905, Quisbernow, Belgard, Pommern; died 24 Dec 1907, Quisbernow, Belgard, Pommern.
6. Living