 Robertus de Haan, son of Jan Robertus de Haan and Johanna Klappe.Born 8 Mar 1899 Harlingen, died 13 May 1962 Haren, age 63 years, buried Haren Married 24 Apr 1930 Groningen, age 31 years (married 32 years) to:  Jantje Sikkema, age by marriage 23 or 24 years, daughter of N.N. and Jantje Sikkema.Born 1906 Groningen | |||