Karl married Anna Sofia Andersson on 26 Dec 1893. Anna (daughter of Carl August Andersson and Ulrica Boström) was born on 28 Oct 1868 in Blacksta, Bergshammar Församling, Södermanlands Län; was christened on 2 Nov 1868; died on 2 Apr 1953. [Group Sheet] [Family Chart]

1. Bernhard Emanuel Karlsson was born on 25 Mar 1894 in Nyköping Östra, Södermanlands Län; died on 26 Mar 1971.
2. Karl Einar Karlsson was born on 20 Aug 1895 in Nyköping Västra, Södermanlands Län; died on 6 Jun 1964; was buried on 3 Jul 1964 in Skogskyrkogården, Enskede, Stockholm.
3. Ivar August Karlsson was born on 6 Jul 1897 in Nyköping Östra, Södermanlands Län; died on 8 Jun 1980.
4. Elis Georg Karlsson was born on 6 Sep 1899 in Ekerö, Stockholms Län; died on 28 Aug 1900 in Ekerö, Stockholms Län.
5. Emil Erland Karlsson was born on 29 May 1901 in Ekerö, Stockholms Län; died on 6 Jan 1978.
6. Inez Linnéa Sofia Karlsson was born on 24 Apr 1903 in Ekerö, Stockholms Län; died on 7 Nov 1959.
7. Anna Gunborg Teresia Karlsson was born on 17 May 1905 in Ekerö, Stockholms Län; died on 25 Feb 1987.
8. Margit Augusta Cecilia Karlsson was born on 29 Apr 1907 in Ekerö, Stockholms Län; died on 10 Jul 1988.
9. Dagny Maria Viktoria Karlsson was born on 17 Apr 1909 in Ekerö, Stockholms Län; died on 4 Feb 1993; was buried in Lidingö Kyrkogård, Minneslund, Stockholms Län.
10. Elna Signe Lovisa Karlsson was born on 14 Apr 1911 in Ekerö, Stockholms Län; died on 28 Mar 2004.