+---- Peter Hendrik Martens +---- Leonardus Martens | +---- Joanna Greutelaars ==== Peter Jacobus Martens | +---- Henricus van den Warenburg 1786-1858 | +---- Lambertus van de Warenburg 1811-1875 | | +---- Johanna Maria Bongers ca 1784- | +---- Wilhelmus Hubertus van de Warreburg 1842-1907 | | | +---- Jacobus Verheijen | | +---- Joanna Maria Verheijen ca 1817-1878 | | +---- Joanna Maria Walckers +---- Anna Geertrudis van de Warreburg | +---- Peter Joannes Duijts +---- Anna Helena Duijts 1844-1929 +---- Petronella Joosten |
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