| Children |
| | 1. Jørgen Olaus Hersleb Walnum, b. 21 Sep 1799, Herøy, Nordland , d. 21 Jun 1888, Bergen, Hordaland  |
| | 2. Anne Borchmann Walnum, b. 04 Oct 1800 |
| | 3. Else Marie Greger Walnum, b. 20 Dec 1801, d. 1803 |
| | 4. Anne Cathrine Walnum, b. 1802, d. 1802 |
| | 5. Anne Cathrine Bech Walnum, b. 14 Apr 1803, Alstahaug, Nordland , d. 24 Dec 1897, Dønna, Nordland  |
| | 6. Else Marie Greger Walnum, b. 10 Jul 1804 |
| | 7. Maren Petronelle Hersleb Walnum, b. 31 Oct 1805 |
| | 8. Johanna Severine Brodtkorb Walnum, b. 18 Jan 1807, d. 12 Aug 1901 |
| | 9. Svend Borchmann Hersleb Walnum, b. 18 Feb 1816, Nordherø, Helgeland, Nordland , d. 05 Jul 1889 |
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