Karl married Katharina Frankmann on 24 Mar 1879 in Burrweiler, Pfalz, Bayern. Katharina (daughter of Andreas Frankmann and Margarethe Bachtler) was born on 6 Feb 1858 in Burrweiler, Pfalz, Bayern; died on 14 Jul 1918 in Hinterweidenthal, Pfalz, Bayern. [Group Sheet] [Family Chart]

1. Karl Walk was born on 16 Oct 1881 in Heltersberg, Pfalz, Bayern; died on 16 Aug 1944 in Hauenstein, Pfalz, Bayern.
2. Amanda Walk was born in 23.001.1884 in Hinterweidenthal, Pfalz, Bayern; died on 14 May 1974 in Neunkirchen/Saar, Saarland.
3. Katharina Walk was born on 16 Oct 1885 in Hinterweidenthal, Pfalz, Bayern; died on 30 Mar 1976 in Kaiserslautern, Landkreis Kaiserslautern, Rheinland-Pfalz.
4. Wilhelm Walk was born on 30 Dec 1887 in Hinterweidenthal, Pfalz, Bayern; died on 27 Nov 1892 in Hinterweidenthal, Pfalz, Bayern.
5. Friedrich Walk was born on 29 Mar 1890 in Hinterweidenthal, Pfalz, Bayern; died on 23 Jan 1975 in Friedrichsthal/Saar, Saarland.
6. Elisabetha Walk was born on 4 Nov 1892 in Hinterweidenthal, Pfalz, Bayern; died on 13 Jun 1946 in Landau, Pfalz, Bayern.
7. Maria Walk was born on 19 Mar 1895 in Hinterweidenthal, Pfalz, Bayern; died in 1949 in Pirmasens, Stadtkreis Pirmasens, Rheinland-Pfalz.
8. Albert Walk was born on 20 May 1897 in Hinterweidenthal, Pfalz, Bayern; died in 1970 in Frankfurt am Main, Hessen.