Interactieve boom van Helena Dorothea Josephina Jeanetta Aalbers

Helena Dorothea Josephina Jeanetta Aalbers 1910–

Adrianus Aalbers 1868–1930

Anna Petronella Steenhof 1876–1928

Johannes Gerardus Steenhof 1823–1894

Theodora Lensen 1840–1921

Matthijs Christiaan Lensen 1791–1872

Catharina Janssen 1796–1859

Christiaan Lensen 1740–1817

Catharina Wassing 1750–1795

Evert Janssen 1744–

Sibilla Eijmers 1747–