Johannes married Antonia Petronella Maria Brugman on 6 Feb 1902 in Nijmegen. Antonia (daughter of Wilhelmus Johannes Brugman and Geertruida van Raaij) was born on 16 Jul 1877 in Nijmegen. [Group Sheet] [Family Chart]
Derk married Cornelia Gijsberts. [Group Sheet] [Family Chart]