| Child 1 | Female Marion Irene (Klass) Jefferds |
| Born | 13 Apr 1894 | Oconto, Wisconsin  |
| Died | 27 May 1970 | |
| Buried | Horseheads, Chemung County, New York, United States of America |
| Child 2 | Female Frances Elfrieda (Klass) Strong |
| Born | 9 Apr 1896 | Oconto, Wisconsin |
| Died | 28 Feb 1986 | Janesville, Rock, WI, USA |
| Buried | Janesville, Rock County, Wisconsin, United States of America |
| Child 5 | Male William H Klass |
| Born | 11 Feb 1901 | Oconto, Wisconsin |
| Died | Feb 1968 | |
| Buried | Eau Claire, Eau Claire County, Wisconsin, United States of America |
