Johannes and Hansine were married in a religious ceremony on December 22nd, 1905. They had four sons and a daughter, named Nn, Hans, Otto, Wilhelm and Else.
Hans was born on February 2nd, 1909 in Friedrichskoog. He died due to natural causes or old age at the age of 95 on August 14th, 2004 in St.Peter-Ording, Norddeutschland.
Otto Martensen
Otto was born on July 25th, 1910. He died at 5 months old on January 16th, 1911.