Mosuo people, the only matriarchal clan society in the world, live by Lugu Lake in Lijiang, Yunnan. Up to now, it still pursues the divorce custom that men don't marry women. The oldest grandmother in the family is raised by my uncle, only knowing that my mother doesn't know my father.
Leorowi, who came out from here at the age of 14, has many works, such as Out of the Girl Country. You can learn what you want to know from them.