I'm hitting a brick wall here. I am looking for Joseph Callaway. I found him in the 1870 Census as being 69 years old living with his wife Polly A Slone/sloan and 7 children.
I also found him in the OneWorld tree, but this is where I get confused. The dates in the tree don't make any sense, people dying before any of their many children are born etc. It also shows a second marriage to Madge Irene Ruffin which I can't find a record of anywhere.

Any help sorting out this tangle would be appreciated