During the Choseon dynasty, ancestor worship ceremonies were designated as common law and often performed for the purpose of showing family pride or some other purpose. In this way, ancestor worship ceremonies were a public way to remember and honor one's ancestors. Patriarchy in the Choseon dynasty was completed by authorizing the eldest grandson of the main family to perform the ancestor worship ceremonies. Further, the family was the core unit with respect to maintaining the social system, and the eldest son and grandson had the roles of maintaining family order. There was also favoritism in the form of granting ceremony performing rights to the eldest son and grandson; this wa a way of reinforcing patriarchy. Choi Junsik (2002) calls this the family right of kingship," which is comparable to "sovereignty." The right of performing a cere mony was considered to be granted from god, not the government. Political systems in which all of the power is concentrated at the top, that is, in the king, are similar to this system of Confucian patriarchy in which all power is concentrated in the eldest son Ancestor worship ceremonies represent familism in Korean life. Traditionally, the relatives who could participate in the ceremonies extended only to third cousins. Through these ceremonies, in which family members were able to form stronger bonds with each other, Korean familism became stronger. Further ancestor worship ceremonies help justify family lineage through the eldest son Indeed, Korean genealogic tables are the most developed in the world due to this ceremony culture. Korean genealogic tables are distributed at family meetings and they allow Koreans to encounter their ancestors through ancestor worship ceremonies even though they never had the chance to actually meet them The main duties of kindred associations (a regular meeting of family membe