 Name Withheld, son of Gijsbertus "Gijs" Dijkgraaf and Wilhelmina Johanna "Mimi" van de Ploeg. PRIVACY FILTERMarried to:  Name Withheld, daughter of Hermanus "Herman" Holtkamp and Elizabeth Barbara "Bep" Lokerse. PRIVACY FILTERChildren: | |||