| Father | Male Joannis DeWill |
| Born | cir 1735 | North Rhine-Westphalia, Germany |
| Died | ||
| Buried | ||
| Married | ||
| Father | ||
| Mother | ||
| Mother | Female Catharina Gathmann |
| Born | cir 1735 | North Rhine-Westphalia, Germany |
| Died | ||
| Buried | ||
| Father | ||
| Mother | ||
| Child 1 | Female Sybilla DeWill |
| Born | 03 Jan 1762 | Borth, Wesel, Nordrhein-Westfalen, Germany |
| Died | ||
| Buried | ||
| Spouse | Peter Giesen | F159248 | |
| Married | 20 Jul 1790 | Borth, Wesel, Nordrhein-Westfalen, Germany |
| Spouse | Wilhelm Uhlenbaum | F159250 | |
| Married | 24 Apr 1805 | Ossenberg, Wesel, North Rhine-Westphalia, Germany |
| Child 2 | Male Wilhelmus DeWill |
| Born | 13 Feb 1764 | Borth, Wesel, Nordrhein-Westfalen, Germany |
| Died | ||
| Buried |