
| Name | Johanna Arentsdr de Cocq van OPIJNEN | |
| Birth | Abt 1342 | Of, Opijnen, Gelderland, Netherlands |
| Gender | Female | |
| Death | Yes, date unknown | |
| Person ID | I17672 | Coombs |
| Last Modified | 17 Jan 2021 | |
| Father | Arend de Cock van OPIJNEN, b. <1316>, d. Yes, date unknown | |
| Mother | Miss d' HARCOURT, b. <1320>, d. Yes, date unknown | |
| Family ID | F9087 | Group Sheet | Family Chart |
| Family | Nicolaas Heer van HAEFTEN, b. Abt 1339, Of, Haeften, Gelderland, Netherlands d. 1373 (Age 34 years) | |||||
| Marriage | 1363 | Opijnen, Gelderland, Netherlands |
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| Children |
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| Family ID | F7021 | Group Sheet | Family Chart | ||||
| Last Modified | 2 Feb 2026 | |||||