Onze familiestambomen
Gezin: Petrus Joannes DE COSTER / Joanna Petronella SEGERS (F73584)
Martinus DE COSTER (1804- ) 
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Maria Josephina LANEER (1805- )
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| Petrus Joannes DE COSTER (1836-1884)
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Joanna Catharina DE COSTER (1878- )  |
| Joanna Maria DE COSTER (1880- ) |
| Maria Ludovica DE COSTER (1884- ) |