Stambomen Dietz, Dijkman, Olierook / Olierhoek en Vélu, Harry Dietz
- Birth of Arie Marinus Dijkman (9 December 1903)
- Marriage of Wilhelmina Johanna Hendrica Coret and Arie Marinus Dijkman (19 May 1926)
- Information about Willem Dijkman
- Information about Maaijke Wildschut