Johann married Meta Blunck. Meta died , Glückstadt, Steinburg, Schleswig-Holstein, Germany. [Group Sheet]
Children:
Wilhelmine Seismann was born 23 May 1869, Blomesche Wildnis, Steinburg, Schleswig-Holstein, Germany; died 7 Apr 1940, Glückstadt, Steinburg, Schleswig-Holstein, Germany.