Tn. Cupples

I am looking for nformation on the family of Eustace Carl Cupples and family.He had 3 brothers, Victor, Roscow and Raymond.there parents were John Cupples and Celia ____.Eustace had one son that I know of, Salem Leo Cupples who was my grandfather, and I know of the line from there on in, But I have no info from here on back