Frederick married Mary A. Gross on 19 Mar 1885 in Huntington County, Indiana, USA. Mary was born on 1 May 1859 in Huntington County, Indiana, USA; died on 4 Jan 1929 in Huntington County, Indiana, USA; was buried in Saint Peter's First Cemetery, Huntington, Huntington County, Indiana, USA. [Group Sheet] [Family Chart]

1. William Edward Lahr was born on 6 May 1892 in Huntington, Huntington County, Indiana, USA; died on 19 May 1963 in Huntington, Huntington County, Indiana, USA; was buried in St. Peter's Cemetery, Huntington, Huntington County, Indiana, USA.
2. Elizabeth Marie Lahr was born on 8 Feb 1895 in Huntington, Huntington County, Indiana, USA; died on 22 Nov 1979 in Huntington County, Indiana, USA; was buried in Saint Peter's First Cemetery, Huntington, Huntington County, Indiana, USA.