(English) The writer is a researcher at the Kyujanggak Institute for Korean Studies at Seoul National University. He studied Korean history at the Seoul National University and received his Ph.D. from his alma mater for his dissertation on Jokbo compilations and participating in social classes during the early Joseon dynasty. The following are his publications. The Genealogy and Joseon Society: The Transformation of Genealogical Consciousness and Social Networks from the 15th to the 17th Century. The Inclusion and Limitation of the Listees of Jokbo, the Genealogical Book in the Joseon Dynasty: Centering on the Related Regulations of Beomrye and the Explanatory Notes for Jokbo.  The Commemoration Activities for Progenitors of Family Names, Originated in Local Counties of the Goryeo and Joseon Dynasty.