Country Cuzzins (1972)

"The family that plays together - stays together!"

A young woman living in L.A. goes back to her family's homestead way up in the mountains for a family reunion. At first put off by her relatives' hillbilly ways, she soon decides to let her hair down and join in the fun. Before she leaves she invites them all to stop by her place in Los Angeles if they're ever in the area. They soon are, and they do.