 Anton Frederik Knappstein, son of Frederik Knappstein and Sophie Ahrens.Born 16 Aug 1883 Delft, died 11 Nov 1946 Dordrecht, age 63 years, buried Dordrecht Married 25 Nov 1920 Nijmegen, age 37 years (married 25 years) to:  Aaltje (Alida) Hollenga, age by marriage 37 years, daughter of Daniel Hollenga and Theodora Donaart.Born 11 May 1883 Leeuwarden, died 1 Feb 1965 Dordrecht, age 81 years, buried Dordrecht | |||