 The same character is also used to write the family names Guō in Mandarin Chinese, Kwok in Cantonese, Kaku in Japanese, and Quach in Vietnamese.The 2000 South Korean census found a total of 187,322 people and 58,396 households with this family name.They identified with a number of different "bon-gwan" (seat of a clan lineage, for example the residence of an ancestor from whom the clan claims descent)