“After her lover’s death, Wilma takes over his bootlegging business, but with little success. She soon meets up with bank robber Fred, who convinces her and her daughters to join him for his next big heist. In the meantime, Wilma also kidnaps the daughter of a millionaire in the hopes of getting rich from the ransom. Will Wilma and Fred be able to retire with their ill-gotten gains, or will the law eventually catch up with them?”
https://www.imdb.com/title/tt0071216/?ref_=ext_shr_lnk
If you want to watch for free. (With ads) https://tubitv.com/movies/463728/big-bad-mama
I just looked on IMDb, there’s an Uncle Barney and also a “Barney’s woman”