Thor married Marie Masseline Smith in 1826 in Tvedestrand, Aust-Agder, Norway. Marie (daughter of Herman Smith and Wilhelmine Christine Høgh) was born on 01 May 1804 in Tvedestrand, Aust-Agder, Norway; died on 16 Feb 1876 in Tvedestrand, Aust-Agder, Norway. [Group Sheet] [Family Chart]

1. Augusta Teodora Thorvildsen was born on 02 Mar 1827 in Tvedestrand, Aust-Agder, Norway; died on 26 Sep 1844.
2. Wilhelmine Kristine Thorvildsen was born on 30 Mar 1830 in Tvedestrand, Aust-Agder, Norway; died on 17 Oct 1870 in Kristiania (Oslo), Norway.
3. Herman Smith Thorvildsen was born on 21 May 1832 in Tvedestrand, Aust-Agder, Norway; died on 09 Sep 1889 in Dybvåg, Aust-Agder, Norway.
4. Johan Dürendahl Thorvildsen was born on 05 Nov 1837 in Tvedestrand, Aust-Agder, Norway; died in 1853 in At sea.
5. Peter Thorvildsen was born on 13 Mar 1840 in Tvedestrand, Aust-Agder, Norway.
6. Jørgen Smith Thorvildsen was born on 19 May 1842 in Tvedestrand, Aust-Agder, Norway.