Most Chickasaw now live in Oklahoma. The Chickasaw Nation in Oklahoma is the 13th largest federally recognized tribe in the United States. Its members are related to the Choctaw and share a common history with them. The Chickasaw are divided into two groups: the "Impsaktea" and the "Intcutwalipa". They traditionally followed a system of matrilineal descent. Some property was controlled by women, and hereditary leadership in the tribe passed from a mother to her children.