 Hendrikus Jan DoesburgBorn 17 Mar 1929 Wieringen, died 1 Apr 2001, age 72 years, cremation Schagen Married 27 Jul 1953, age 24 years (married 47 years) to:  Sippie Siemonsma, age by marriage 23 years, daughter of Andries Siemonsma and Marijke de Vreeze.Born 12 Mar 1930, died 11 Nov 2014 Den Helder, age 84 years, cremation Schagen | |||