TIL: Becoming foster parents of a girl for her to be their servant and later their son's wife was a common practice in China up until modern times

https://en.wikipedia.org/wiki/Tongyangxi
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1fz5zn5/til_becoming_foster_parents_of_a_girl_for_her_to/