| Father | Male John Baptist Istas |
| Born | 27 Feb 1828 | Neervelp, Boutersem, Vlaams Brabant, Belgium |
| Died | 23 Apr 1895 | Little Chute, Outagamie, Wisconsin |
| Buried | St John Cemetery, Little Chute, Outagamie, Wisconsin |
|
| Married | 09 Apr 1888 | St John Nepomucene Church, Little Chute, Outagamie, Wisconsin |
| Other Spouse | Joanna Lucia Benoit | F128199 | |
| Married | 21 Sep 1853 | Neervelp, Boutersem, Vlaams Brabant, Belgium |
| Father | Daniel Istas | F131050 Group Sheet | |
| Mother | Claire Deneumoulin | F131050 Group Sheet | |
| Mother | Female Maria Williamson |
| Born | 09 Aug 1840 | Ooij, Ubbergen, Gelderland, Netherlands |
| Died | 17 Feb 1906 | Little Chute, Outagamie, Wisconsin |
| Buried | St John Cemetery, Little Chute, Outagamie, Wisconsin |
|
| Other Spouse | Stephen Sanders | F8031 | |
| Married | 18 Dec 1865 | St John Nepomucene Church, Little Chute, Outagamie, Wisconsin |
| Father | Theodore Williamson | F244 Group Sheet | |
| Mother | Wilhelmina Bomkamp | F244 Group Sheet | |