
| 1. | Joannes Heurnius was born on 2 Jan 1639 in Utrecht, Utrecht, Nederland; died on 12 May 1702 in Utrecht, Utrecht, Nederland. Joannes married Debora Jacoba Meyen on 16 Jun 1665 in Utrecht, Utrecht, Nederland. Debora was born in 1643 in Utrecht, Utrecht, Nederland; died on 10 May 1683 in Utrecht, Utrecht, Nederland. [Group Sheet] [Family Chart]
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| 2. | Jacoba Johanna van Heurn |
| 3. | Johanna Margaretha van Heurn |