Interactieve boom van Petrus Wilhelmus Arnold "Piet" Aalbers

Privé –

Petrus Wilhelmus Arnold "Piet" Aalbers 1943–1990

Privé –

Wilhelmus "Wim" Aalbers 1901–1989

Johanna Petronella "Anna" Klaassen 1907–

Cornelis Aalbers 1860–1925

Theodora Derkse 1856–1918

Wilhelmus Derkse 1807–1893

Petronella Jacobs 1817–1885

Geurt Derkse 1771–1856

Wilhelmina "Willemijn" Aalbers 1778–1845