Johanna married Baron Carel Willem van Heeckeren on 6 Aug 1881 in Semarang, Java, Indonesia. Carel (son of Baron Robert Adriaan Willem van Heeckeren and Sophia Emalia von Weiler) was born on 16 Mar 1855 in Doesburg, Arnhem, Gelderland, Netherlands; died on 17 May 1943 in Bandung, Djawa-Barat, Indonesia; was buried in Cannes, Alpes-Maritimes, France. [Group Sheet] [Family Chart]