Dalia married Bernardus Kappers, son of Jan Kappers and Christina Kappers, in Cirebon, Jawa Barat, Indonesia. (Bernardus Kappers was born on 16 Nov 1884 in Roterdam, Zuid Holland, Netherlands, died on 3 Apr 1943 in Bandung, Jawa Barat, Indonesia and was buried on 3 Apr 1943 in Ereveld, Leuwigajah, Cimahi, Jawa Barat, Indonesia.)