 Willem Ernest Baron van [KnobelsdorffDied 18-4-1875 Marriage/ Related to:  Mary Cecilia Erica Belinfante/ OppenheimeBorn 16-10-1922 The Hague, Netherland, died after 1989, at least 67 years. Daughter of Hendrik Joseph (Henk) Belinfante/ Hertzvel and Eva Oppenheimer | |||