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| Father | Male KOSTER, Valentinus |
| Born | Abt 1730 | Mersch, , Luxembourg, Luxembourg  |
| Died | Yes, date unknown | |
| Buried | ||
| Married | 2 Feb 1761 | Mersch, , Luxembourg, Luxembourg |
| Father | ||
| Mother | ||
| Mother | Female RECKINGEN, Maria Barbara |
| Born | ||
| Christened | 11 Mar 1738 | Meysembourg, , Luxembourg, Luxembourg |
| Died | Yes, date unknown | |
| Buried | ||
| Father | RECKINGEN, Petrus | F16292 Group Sheet | |
| Mother | SCHUMER, Barbara | F16292 Group Sheet | |
| Child 1 | Male KOSTER, Mathias |
| Born | ||
| Christened | 24 Feb 1763 | Mersch, , Luxembourg, Luxembourg |
| Died | Yes, date unknown | |
| Buried | ||
| Spouse | WANDERSCHEIDT, Susanna Catharina | F21985 | |
| Married | 24 Feb 1784 | Mersch, , Luxembourg, Luxembourg |
