Fritz married Margrethe Tønder on 18 Apr 1886 in Sankt Pauls Kirke, Sankt Pauls Sogn, Sokkelund Herred, Københavns Amt. Margrethe (daughter of Hans Sørensen Tønder and Karen Nissen Lund) was born on 5 May 1863 in Højrup, Højrup Sogn, Hviding Herred, Tønder Amt; was christened on 24 Jun 1863 in Højrup Kirke, Højrup Sogn, Hviding Herred, Tønder Amt. [Group Sheet] [Family Chart]

1. Hans Kristian Johan Adolf Möller was born on 18 Jul 1886 in Ribe, Ribe Sankt Katrine Sogn, Ribe Herred og Amt; was christened on 17 Aug 1886 in i hjemmet/at home; died on 5 Dec 1968 in Flensburg, Schleswig-Holstein, Germany.
2. Caroline Marie Möller was born on 14 Sep 1887 in Flensburg, Schleswig-Holstein, Germany.
3. Nissine Andrea Möller was born on 30 Jun 1895 in Flensburg, Schleswig-Holstein, Germany; died on 12 Jun 1896 in Flensburg, Schleswig-Holstein, Germany.
4. Arthur Karl Möller was born on 9 Apr 1897 in Flensburg, Schleswig-Holstein, Germany.
5. Pauline Christina Möller was born on 10 Apr 1890 in Flensburg, Schleswig-Holstein, Germany; died on 21 Mar 1930.