John married Nellie Ostensdatter Kjelstad about 1858. Nellie was born on 14 Nov 1839 in Norway; died on 22 Feb 1904 in Iowa, USA; was buried in Roelyn, Webster County, Iowa, USA. [Group Sheet] [Family Chart]

1. Nels Tuenon Wallestad was born in 1858 in Norway; died on 25 Nov 1924 in Greenfield Township, Calhoun County, Iowa, USA.
2. Gertrude Wallestad was born about 1860 in Norway.
3. Anders Wallestad was born about 1862 in Norway.
4. Nickolaus Wallestad was born about 1865 in Norway.
5. Austin Wallestad was born about 1869 in Illinois, USA.
6. Edward Wallestad was born about 1871 in Illinois, USA.
7. Olene Wallestad was born about 1873 in Illinois, USA.
8. William Wallestad was born on 12 May 1876 in Iowa, USA; died on 19 Nov 1914 in Calhoun County, Iowa, USA.
9. John Norman Wallestad was born on 22 Jan 1878 in Webster County, Iowa, USA; died on 16 Jun 1941; was buried in Wheelock, Williams County, North Dakota, USA.
10. Hanna Andres Wallestad was born about Dec 1879 in Fulton, Webster County, Iowa, USA; died in 1915; was buried in Roelyn, Webster County, Iowa, USA.