My Ketner, Farmer, Mangus,Wise ancestors

I have quite a lot of information on my Ketner, Mangus families, but still searching for more information on the Farmers and Wise families. Any help on my great grandmother Martha Wise would be so appreciated, she was married to Owen Mangus and died after the birth of my grandfather James Valentine and his twin sister, Nanny. The info that I have is that after she died her family, who disliked Owen, buried her somewhere in southern Ok under her maiden name. I would appreciate any information from possibly her Wise descendents about her whereabouts and her ancestors. I will share what I have.