| # | Children | Name | Born | Died | Father | Mother |
|---|
| 1 | | | b. 23 Sep 1909 | d. 2 Dec 2006 | Arthur Herman VALLO | Margaret KNOSTMAN |
| 2 | | | b. 1911 | d. 10 Dec 1987 | Arthur Herman VALLO | Margaret KNOSTMAN |
| 3 | | | b. 20 Jan 1914 | d. 3 Jan 1986 | Arthur Herman VALLO | Margaret KNOSTMAN |
| 4 | Yes | | b. 24 Apr 1918 | d. 12 Apr 2013 | Arthur Herman VALLO | Margaret KNOSTMAN |
| 5 | | | b. 22 Dec 1922 | d. 12 Mar 2019 | Arthur Herman VALLO | Margaret KNOSTMAN |
| 6 | Yes | | b. 17 Aug 1926 | | Arthur Herman VALLO | Margaret KNOSTMAN |
| 7 | | | b. 18 Jul 1929 | d. 31 May 2024 | Arthur Herman VALLO | Margaret KNOSTMAN |
1892 - 1963 (70 years)