Maria Kim Tan Mother of Claudia Naulu Simbolon (1921–1977) (1921–1977) Parents Ojong Koen Tan Oei Kiet Tan Children Bonar Naulu Simbolon Dorothea Naulu Simbolon Elias Naulu Simbolon Claudia Na Uli Nasution Siblings Paula Kim Tan Partners Agam Achmadi Simbolon