Married 17 Oct 1878 Barradeel, age 29 or 30 years to:  Klaasje Posthuma, age by marriage 27 or 28 years, daughter of Jan Reinders Posthuma and Janke Klases Tilstra.Born 1850 Almenum Child: 1. Reinderina Hendrika KnoppersBorn 28 Feb 1883 Franeker, died 20 Sep 1960 Nijmegen, age 77 years, buried Nijmegen | |||
