| Name | Heylwich Lamberts van Gerwen | |
| Birth | % 1354 | |
| Gender | Female | |
| Person ID | I6111 | Martherus |
| Last Modified | 9 Jun 2004 | |
| Father | Lambert Jansz van Gerwen, b. Abt 1332 d. v 1400 (Age 68 years) | |
| Mother | Margriet, b. % 1335 d. ? | |
| Family ID | F3651 | Group Sheet | Family Chart |
| Family | Gijsbert Henric Cootkens | |
| Family ID | F3414 | Group Sheet | Family Chart |