Konrad married Mary Catherine Trimbur on 3 Nov 1857 in Pennsylvania, USA. Mary (daughter of Nikolaus Trimbur and Maria Magdalena Lauth) was born in 0Aug 1837 in Cincinnati, Hamilton County, Ohio, USA; died in 0Feb 1874 in Pittsburgh, Allegheny County, Pennsylvania, USA. [Group Sheet] [Family Chart]

1. William Nicholas Colling was born on 19 Jun 1858 in Birmingham, Allegheny County, Pennsylvania, USA; died in 1860 in Pennsylvania, USA.
2. Louisa Josephine Colling was born on 17 Nov 1859 in Birmingham, Allegheny County, Pennsylvania, USA; died on 2 Jul 1944 in Newark, Licking County, Ohio, USA; was buried on 6 Jul 1944 in Cedar Hill Cemetery, Newark, Licking County, Ohio, USA.
3. Maria Colling was born in 0Feb 1861 in Pennsylvania, USA.
4. John Conrad Colling was born on 20 Jun 1862 in Pittsburgh, Allegheny County, Pennsylvania, USA.
5. Amelia Colling was born in 0Sep 1865 in Pittsburgh, Allegheny County, Pennsylvania, USA; died in 1901 in Pittsburgh, Allegheny County, Pennsylvania, USA.
6. Maria Catherine Colling was born on 14 Jul 1867 in Pittsburgh, Allegheny County, Pennsylvania, USA.
7. Michael Edward Colling was born on 24 Apr 1869 in Pennsylvania, USA; died on 4 May 1940 in Newark, Licking County, Ohio, USA.
8. Joseph F. Colling was born in 0Dec 1871 in Pittsburgh, Allegheny County, Pennsylvania, USA.
9. Maria Magdalena Colling was born on 24 Feb 1873 in Pennsylvania, USA.

Konrad married Barbara Seip on 24 Sep 1881 in Pittsburgh, Allegheny County, Pennsylvania, USA. Barbara was born in in Hessen. [Group Sheet] [Family Chart]