Interactieve boom van Margaretha Janssen

Johannes Wilhelmus Houkes 1890–1949

Cornelia van Dijk 1887–1969

Hendrina Groenewald 1864–1935

Bartholomeus Jacobus "Bert" Houkes 1863–1951

Petrus Groenewald 1837–1872

Johanna Holleman 1842–1901

Jacobus Groenewald 1805–1854

Hendrina Rensen 1814–1854

Margaretha Janssen –

Peter Groenewald –