1912 - 1961 (48 år)
| Caroline Louise Mannes | |
| F: | 7 Jun 1937 |
| McCallsburg, Story County, Iowa, USA | |
| D: | 8 Jun 1937 |
| McCallsburg, Story County, Iowa, USA | |
|
| Emma Oella Helland | |
| F: | 10 Jun 1912 |
| McCallsburg, Story County, Iowa, USA | |
| D: | 18 Jan 1961 |
| McCallsburg, Story County, Iowa, USA | |
| Alfred Fredrick Mannes | |
| F: | 23 Sep 1905 |
| Beeville, Bee County Texas, USA | |
| V: | 19 Dec 1933 |
| McCallsburg, Story County, Iowa, USA | |
| D: | 9 Maj 1988 |
| McCallsburg, Story County, Iowa, USA | |
