This research was carried out in Jorong Koto Tangah Hilir, Tilatang Kamang District, Agam Regency. This study intends (1) to find out the current role of mamak towards nephews in the Minangkabau community in Jorong Koto Tangah Hilir (2) to find out the factors that cause changes in the role of mamak to nephews in the Minangkabau community in Jorong Koto Tangah Hilir. To answer the purpose of th…