| Father | Male Joseph Demars |
| Born | 05 Feb 1827 | Longueuil, Monteregie, Quebec, Canada |
| Died | ||
| Buried | ||
| Married | ||
| Father | Etienne Demers | F188366 Group Sheet | |
| Mother | Angelique Judith Isabella Vincelette | F188366 Group Sheet | |
| Child 2 | Male Stephen Napoleon Demars |
| Born | 28 Jul 1860 | |
| Died | 28 Nov 1954 | Kilkenny, LeSueur Co, Minnesota |
| Buried | ||
| Spouse | Alice Bryne | F155316 | |
| Married | 17 Aug 1887 | Kilkenny, LeSueur Co, Minnesota |
| Child 5 | Female Margaret S Demars |
| Born | cir 1864 | Ashland County, Wisconsin |
| Died | 16 Jan 1937 | Seattle, King Co, Washington |
| Buried | ||
| Spouse | Andrew William Merrick | F155317 | |
| Married | 01 Jul 1883 | Carlton, Carlton Co, Minnesota |
| Child 8 | Male Theodore Demars |
| Born | cir 1872 | Charles City, Floyd Co, Iowa |
| Died | ||
| Buried | ||
| Spouse | Alice Catlin | F188382 | |
| Married | 20 Jan 1896 | Helena, Lewis and Clark Co, Montana |
| Child 9 | Male Edward T Demars |
| Born | 13 Sep 1872 | Iowa |
| Died | 29 Aug 1951 | Seattle, King Co, Washington |
| Buried | ||
| Spouse | Lillian Evelyn Woodward | F155318 | |
| Married | ||