Frederick married Louise Lind on 29 Nov 1906 in Huntington, Huntington County, Indiana, USA. Louise (daughter of Konrad Lind and Maria Elisabetha Ackermann) was born on 13 Jul 1868 in Huntington, Huntington County, Indiana, USA; died on 5 Aug 1958 in Huntington, Huntington County, Indiana, USA; was buried in Mount Calvary Cemetery, Huntington, Huntington County, Indiana, USA. [Group Sheet] [Family Chart]

1. Catherine Anna Kapp was born on 21 Apr 1908 in Huntington, Huntington County, Indiana, USA; died on 9 Nov 1959 in Huntington, Huntington County, Indiana, USA; was buried in Mount Calvary Cemetery, Huntington, Huntington County, Indiana, USA.
2. John Fredrick Kapp was born on 8 Jul 1911 in Huntington, Huntington County, Indiana, USA; died on 21 Jun 1993 in Huntington, Huntington County, Indiana, USA; was buried in Mount Calvary Cemetery, Huntington, Huntington County, Indiana, USA.