They were listed as living in Indian Territory, Oklahoma. They are paternal grandparents of my grandmother. My great great grandparents. Children were Minnie Mae, John, and James Everett (my great grandpa called "Jack"). I met grandpa Jack when I was a little girl - he died in 1958.
His mother was called Mattie... Father may have died between 1880 and 1890 unknown location, but possibly Oklahoma or Kansas. Mattie relocated to Washington state around 1907.