 Julius Simon de BoersBorn 2 jul 1903 Amsterdam,Netherland, died 14 oct 1970 Amsterdam,Netherland, 67 years Marriage/ Related to:  Judith Henriette Kool - van KleefBorn after 1900 Amsterdam,Netherland. Daughter of Salomon Kool - van Vliet and Saartje van Kleef - Kinsbergen | |||