1912 - 1961 (48 år)
 | Caroline Louise Mannes 1937-1937 |
| Caroline Louise Mannes | |
| F: | 7 Jun 1937 |
| McCallsburg, Story County, Iowa, USA | |
| D: | 8 Jun 1937 |
| McCallsburg, Story County, Iowa, USA | |
|
| Emma Oella Helland 1912-1961 |
| Emma Oella Helland | |
| F: | 10 Jun 1912 |
| McCallsburg, Story County, Iowa, USA | |
| D: | 18 Jan 1961 |
| McCallsburg, Story County, Iowa, USA | |
 | Alfred Fredrick Mannes 1905-1988 |
| Alfred Fredrick Mannes | |
| F: | 23 Sep 1905 |
| Beeville, Bee County Texas, USA | |
| D: | 9 Maj 1988 |
| McCallsburg, Story County, Iowa, USA | |
