My great grandfather's name is J.D. Swank. Possibly John Daniel. His mother was a full blooded Osage Indian. He married Margaret Jane Daniels and they had four children in Oklahoma. He took of for California where Margaret divorced him in 1944. His Chidren Included: Thelma Mae Swank Osborne
Jack Swank B; August 30,1927(Called Casey)
Clarence A.(Butch) Swank also called Jack was friend's with evil knieval and called Black Jack Swank.
Casey L Swank.It is their father and his parents who are a mystery. I will update info on his children as I get it.